Analysis of dynamic characteristics of heart valves in a pulse duplication-analog computer system.


Space flight biotelemetry.

Space flight biotelemetry.


Non-contact physiological sensing.

Non-contact physiological sensing.


Classification of electrocardiograms using the Polynomial Discriminant Method of pattern classification.


A space radiation monitoring system for support of manned space flight.


An instrumented pencil for psychomotoric studies.


The vibrophonocardiograph as a clinical tool.


Anthropometric determination of fat free weight and gross body weight, with application to the weightless environment: a preliminary report.


An improved remote brain stimulator and EEG transmitter for small animals.


'Neural noise' as a factor limiting 'channel capacity'.


A method of measuring continuously in-vivo blood pCO2, pO2 and pH in the intact animal.


Prolonged measurement of intracranial pressure using an absolute pressure transducer.


Hingeless double-leaflet prosthetic heart valve for aortic, mitral or tricuspid positions.


Data filter characteristics and effects.


A battery operated miniature pressure transducer-amplifier system.


An automatic continuous central venous pressure monitoring system.


Laser Schlieren optical system for analyzing ultrasonic fields.


A thermal sensor for plotting the sound intensity patterns of ultrasonic beams.


Computer-aided cardiac "black box" design evaluation.


Match recognition in chromosome band structure.


On-line equipments for reduction and analysis of discrete bio-electric epochs, developed by the Applied Physics Laboratory-JHU.


The behavior of the red blood cells in flowing blood which accounts for conductivity changes.


The use of epicardial variable resistance mercury columns in the analysis of instantaneous changes in left ventricular configuration.


Effect of reduction of heart rate by paired stimulation on coronary blood flow and oxidative metabolism of the canine heart.


A two channel cardiac dimension gauge.

A two channel cardiac dimension gauge.


Magnetics for power and control of body implants.


Clinical temperature measurement--survey.


Microcirculation dynamics.

Microcirculation dynamics.


Vital rheologic variations in myocardial infarction.


The clinician's requirements for physiological monitoring systems.


Counter-force ballistics in man.

Counter-force ballistics in man.


An electronic system for the detection of indirect systolic and diastolic blood pressure.


A gating circuit for selective auscultation of heart sounds.


System for beat-to-beat blood pressure telemetry in ambulatory humans.


Tidal volume air monitor.

Tidal volume air monitor.


Heart-controlled ergometry.

Heart-controlled ergometry.


Intravital servo cinemicrostrob: variable high flash rate camera slaved strobe and frame counter.


Blood pressure and heart rate changes during para-sleep in vagotomized and atropinized cats.


Cerebral lysosomes. IV. The regional and intracellular distribution of arylsulfatase and evidence for two populations of lysosomes in rat brain.


The firing pattern of septal neurons and the form of the hippocampal theta wave.


Retrograde degeneration study of somatic sensory thalamocortical connections in brain of Virginia opossum.


Electron microscopy of glial reactions observed in CNS cultures.


Synapses and cluster formation of the mouse mesencephalic fifth nucleus.


Effects of acoustic stimulation on the spinal cord.


Habituation of evoked response to uniaural clicks.


Hyperpolarizing increase in membrane conductance in hippocampal neurons.


Analysis of trigemino-abducens reflex in the cat.


Escape of the extensor monosynaptic reflex from presynaptic inhibition.


Antagonism between serotonin and LSD studied in vitro in thin sections from the superior colliculus of guinea pig.


Trial with humegon treatment in male sterility.


The centriole cycle in synchronized HeLa cells. Progression of the HeLa cell through its life cycle is accompanied by centriolar replication and pericentriolar changes that are in synchrony with DNA synthesis and mitosis. The first signs of preparation for replication occur during G(1) at which time the two orthogonal centrioles separate. Replication by budding begins at/or near the initiation of DNA synthesis and is completed by G(2). Pericentriolar changes which probably are causally related to spindle tubule formation occur at this time and include the appearance of vesicles, electron-opaque bodies, and an amorphous pericentriolar halo. These phenomena begin to disappear by late prophase, and the remainder of mitosis manifests decreasing centriolar and pericentriolar activity.


The disorganization of hepatic cell nucleoli induced by ethionine and its reversal by adenine. The structure of nuclei and nucleoli of hepatic cells after short-term ethionine administration was investigated with the electron microscope. By 1(1/2) hr after the injection, a distinct alteration occurred in the nucleoli which was characterized by the appearance of electron-opaque masses in the nucleolonema. After 6-8 hr, the nucleoli showed partial fragmentation into small, dense masses. Large aggregates of interchromatinic granules appeared in the nucleoplasm. Condensation of chromatin became prominent in the nucleoplasm particularly along the nuclear membrane. By 12 hr almost complete fragmentation of nucleoli had occurred. The administration of adenine or methionine at 4 hr prevented the development of nucleolar changes. Also, adenine administration at 8 hr after ethionine completely reversed the nucleolar lesion by 12 hr. After methionine administration at 8 hr, many nucleoli showed incomplete reconstruction with many twisted ropelike structures when viewed 4 hr later. Identical structures were found when adenine was given at 8 hr, and animals were sacrificed 2 hr later. On the basis of this observation, the simplified structures of nucleoli found 2 hr after adenine or 4 hr after methionine appeared to be precursors of the nucleolonema. It is suggested that nucleoli show at least two basic reaction patterns to inhibitors of RNA synthesis, one typified by actinomycin D and one by ethionine.


Studies on the mechanism of nidation. XXIX. Localization of phosphorylase activity in relation to implantation steroid synthesis and myometrial adaptation during gestation in the rat.


The resolution of mixtures of viable mammalian cells into homogeneous fractions by zonal centrifugation. Large-scale separation of mixtures of mammalian cells was obtained with the A-1X zonal centrifuge rotor and density gradients consisting of Ficoll dissolved in modified Eagle's MEM suspension-culture medium. The cells remained viable as tested by plating efficiency or by motility observed with time-lapse photography. Rabbit thymocyte and HeLa cell mixtures were separated with 99 and 89 per cent purity, respectively. Mixtures of thymocytes and suspension-cultured, human acute leukemia cells (Roswell Park strain LKID) were separated with 93 and 91% purity, respectively. HeLa cells were isolated 92% pure from a mixture with horse leukocytes. A book of charts giving the sedimentation position and velocity versus time of cells in the A rotor under standard conditions of gradient composition, angular velocity, and temperature was prepared with the use of a computer program based on the differential sedimentation equation. The charts are used to estimate the centrifugation time necessary for maximum separation of cells. The success achieved in separating mixtures of cells points to the future possibility of large-scale fractionation of solid tissues, especially tumor tissues, into preparations cf viable cells of a single type.


Draft for new constitution of I. F. A.

Draft for new constitution of I. F. A.


The physical and mental development of children born following artificial insemination.


A golgi apparatus associated with mating in Tetrahymena pyriformis. The classical Golgi apparatus has not been observed in the several strains of Tetrahymena pyriformis examined in this laboratory at the ultrastructural level when the ciliates are grown vegetatively. However, sexually active strains, when starved for the purpose of inducing conjugation, contain stacked saccules in the oral region. When such opposite mating types are mixed for mating, the stacked saccules become swollen at their ends and vesicles appear to pinch off from them. These bodies possess the configuration of the classical Golgi apparatus of other eucells. Vesicles seem to be formed from the saccules just prior to, and toward the end of conjugation, suggesting a relationship with the mating process.


The fine structure of puromycin-induced changes in mouse entorhinal cortex. Bitemporal intracerebral injections of puromycin in mice suppress indefinitely expression of memory of avoidance-discrimination learning. Ultrastructural studies of the entorhinal cortex of puromycin-treated mice revealed the following: (a) Abnormalities were not observed in presynaptic terminals and synaptic clefts; many postsynaptic dendrites or somas contained swollen mitochondria. (b) Dispersion of polyribosomes into single units or condensation of ribosomes into irregular aggregates with loss of "distinctiveness" was noted in a few neurons 7-27 hr after puromycin treatment. (c) Cytoplasmic aggregates of granular or amorphous material were frequently noted within otherwise normal neuronal perikarya. (d) Mitochondria in many neuronal perikarya and dendrites were swollen. Mitochondria in axons, presynaptic terminals, and glial cells were unaltered. The relationships between these lesions and the effect of puromycin on protein synthesis and memory are examined. It is suggested that the disaggregation of polysomes is too limited to explain the effect of puromycin on memory. Special emphasis is given to the swelling of mitochondria. The possible mechanisms and the significance of this lesion are discussed.


Environmental anovulatory cycles.

Environmental anovulatory cycles.


Diabetes symposium.

Diabetes symposium.


Ultrastructure of cell attachment to substratum in vitro.


Insulin biogenesis storage and release.

Insulin biogenesis storage and release.


Fertility in men with varicocele.

Fertility in men with varicocele.


Excess insulin in the diabetic frequency, consequences and how to detect.


Diabetogenic effects of pregnancy.

Diabetogenic effects of pregnancy.


Modified hydrotubation for tubal obstruction.


Juvenile diabetes mellitus.

Juvenile diabetes mellitus.


Glucagon--a review.

Glucagon--a review.


One hundred and ten thousand diabetics.

One hundred and ten thousand diabetics.


Keogh or not to Keogh.

Keogh or not to Keogh.


Hearing loss in the aging.

Hearing loss in the aging.


Clinical investigation: why make it more difficult?


Tracheostomy or peroral endotracheal intubation?


Psychogenic pain.

Psychogenic pain.


Epistaxis is not just a nosebleed.

Epistaxis is not just a nosebleed.


Adverse drug reaction: chills and fever due to procainamide.


Genetic counseling.

Genetic counseling.


The "image" of cancer.

The "image" of cancer.


I blood group system and its relationship to disease.


An antibiotic assay method.

An antibiotic assay method.


Separation of lymphocytes: a comparison of two methods.


Cellulose acetate membrane technique for the detection of extracellular diffusible substances: further observations.


Biochemical subtyping of bovine staphylococci.


A simple flexible system of controllong cross-matched and stock blood in a hospital blood bank.


Visual disinhibition with binocular and interocular presentations.


L-phase bacteria in human heart tissue.

L-phase bacteria in human heart tissue.


Luminance requirements for hue perception in small targets.


Ribaminol: enhancement of brain protein synthesis.


Cytochemical and cytogenetic effects of maleic hydrazide on cultured mammalian cells.


Effect of glucose, fructose, sucrose and starch on lipgenesis in rats.


Terminal body weights of hyperthyroid tumor bearing mice.


The CSF lactate-pyruvate ratio in cerebral hypoxia.


Amino acids and bioelectric potentials in the small intestine of the Greek tortoise.


Strategies in rotary pursuit tracking and their relation to inhibition and personality.


The effects of nicotine on the consolidation of pursuit rotor learning.


Cytokinin activity of compounds obtained from soluble RNA.


Disaccharidase activity in the small intestine of the developing chick.


Studies of muscle development. 3. An evaluation of thymidylate kinase activity with respect to cell proliferation in developing chick leg muscle.


The riboflavin requirement of the growing Mongolian gerbil.


What's in it?

What's in it?


Faith in the future.

Faith in the future.


A short course in public health administration for senior medical officers.


Infant feeding methods and dental caries.


Task Force.

Task Force.


The psychiatric social club.

The psychiatric social club.


Gastro-intestinal disorders and the functioning of the digestive tract of young calves.


Functioning of the digestive tract of young fasted calves.


Effect of exposure temperature on over-all efficiency of autoradiographs and on fogging of emulsion.


The value of ontogenetic data in reconstructing protozoan phylogenies.


Variations in thrombocytes and small lymphocytes found in the circulating blood of marine fishes.


Histochemical localization of alkaline and acid phosphatases in the lateral line canal organs of a freshwater teleost, Saccobranchus fossilis.


Ultrastructural changes during sporangium formation and zoospore differentiation in Blastocladiella Emersonii.


Radiological case of the month. Fibrocystic disease of the pancreas.


Circulatory effects of norepinephrine infusions in intact and splenectomized dogs.


Baroreceptor control of postganglionic sympathetic nerve discharge.


Oxygen deficit in hemorrhagic shock in dogs.


Effect of endotoxin on isogravimetric capillary pressure in the forelimb.


Cerebrospinal fluid transport of sulfate in the cat.


Effects of "hormonogen" forms of neurohypophysial peptides in hemorrhagic shock in dogs.


Influence of cadmium on renal ischemic hypertension in rats.


Mechanical function of the septating embryonic heart.


Vestibular component in dynamic muscle stretch.


Muscle blood flow and 86Rb extraction: 86Rb as a capillary flow indicator.


Ammonia secretion in sweat.

Ammonia secretion in sweat.


Direct effect of histamine on arterial and venous resistance in isolated dog hindlimb.


Influence of corticosteroids on mechanical performance of isolated rat papillary muscles.


Potentiation of endotoxin shock by oral L-tryptophan.


Disappearance of fibrinogen-131-I after endotoxin: effects of a first and second injection.


Local effect of cortisol in the preoptic area on temperature regulation.


Stress response in chronic hypercapnia.

Stress response in chronic hypercapnia.


Chronic deficits of temperature regulation produced in cats by preoptic lesions.


Changes in blood flow distribution produced by central sciatic nerve stimulation.


Pupillary responses in the toad as related to innervation of the iris.


Growth retardation and pancreatic enlargement in rats due to p-aminobenzamide.


Nucleic acid metabolism of cardiac, diaphragmatic, and quadriceps muscle.


Extracellular fluid, ionic distribution and exchange in isolated frog brain.


Calcium and carbonate metabolism in the frog (Rana temporaria) during respiratory acidosis.


Synergism of irradiation, tourniquet injury, and drum trauma: effect of regional shielding.


Gold thioglucose damage to the satiety center: inhibition in diabetes.


Na, K, and H2O in x-irradiation and tourniquet injury: assay, shielding, and therapy.


Effects of temperature and caclcium variation on membrane potentials of crayfish axons.


Hypothalamic temperature and the regulation of feed intake in goats.


The earliest mammalian brains in the Hunterian Museum in the light of recent interpretation of cerebral structure.


Characterization of the far ultraviolet optically active absorption bands of sugars by circular dichroism.


Protein constituents of plant ribosomes.


Correlation between pronase susceptibility and hydroxyproline content of collagen fiber.


Effect of dinitrophenylation of the properties of G- and F-actin.


Precipitation of collagen in the segmented long-spacing form by various organic and inorganic compounds.


Dye-sensitized selective photooxidation of methionine.


Physical chemical studies on the age changes in rat tail tendon collagen.


Hemoglobin-Bibba or alpha-2-136Pro-beta 2, an unstable alpha chain abnormal hemoglobin.


Human pituitary growth hormone. XVII. The hydrogen-deuterium exchange of the hormone.


Fluorescence and protein structure. 13. Further effects of side-chain groups.


Patterns of polymorphism of alpha-1-acid glycoprotein in different species.


Neonatal hepatic mitochondrocuprein. 3. Solubilization of the copper and protein from mitochondria of newborn liver by reduction with mercaptoethanol.


The subunit structure of fibrous muscle proteins as determined by osmometry.


Somatic histones from Mytilus edulis.

Somatic histones from Mytilus edulis.


Behavior of human orosomucoid in acid media.


Enzymic and immunological activity of various B proteins of lactose synthetase.


Apparent molecular weights of some ATP:D-hexose 6-phosphotransferases: specific effects of Sephadex G-100.


Isolation and amino acid composition of bovine corneal polymeric collagens.


Soluble collagen with high aldehyde content extracted from insoluble collagen with mercaptoethylamine.


Studies on collagen crosslinking in vivo.


Isolation and characterization of ovine follicle stimulating hormone.


The direct lytic factor of cobra venom: purification and chemical characterization.


Iron-transferrin complex formation.

Iron-transferrin complex formation.


Purification of plasminogen from human granulocytes using DEAE-Sephadex column chromatography.


Characterization of the alpha chain core of human haemoglobin variants.


Medical cover required in large scale production of cyanides and hydrocyanic acid.


Glue-sniffing among Winnipeg school children.


Medical and surgical applications of plastics.


Plasma renin in chronic experimental heart failure and during renal sodium "escape" from mineralocorticoids.


Effect of beta-adrenergic receptor blockade on racing performance of greyhounds with normal and with denervated hearts.


Reversibility of atherosclerosis in cholesterol-fed rabbits.


Sympathetic innervation of the juxtaglomerular cells of the kidney.


Acute vascular endothelial changes associated with increased blood velocity gradients.


Autoregulatory responses of cat mesenteric arterioles measured in vivo.


Integrity of energy stores in cat papillary muscle. Effect of changes in temperature and frequency of contraction on high energy phosphate stores.


Electrophysiological effects of diphenylhydantoin on canine purkinje fibers.


Day-to-day changes in coronary hemodynamics secondary to constriction of circumflex branch of left coronary artery in conscious dogs.


Capillary filtration coefficient in the extremities of man in high environmental temperatures.


Effect of respiration on pulmonary capillary blood flow in man.


Patterns of sympathetic nerve projections onto the canine heart.


Left ventricular pressure-volume relations and performance as affected by sudden increases in developed pressure.


Evidence for a dilator action of carbon dioxide on the pulmonary vessels of the cat.


Sino-atrial reciprocation in the isolated rabbit heart.


Supernormality in Bachmann's bundle. An in vitro and in vivo study in the dog.


Correlation of visco-elastic properties of large arteries with microscopic structure. V. Effects of sinusoidal forcings at low and at resonance frequencies.


Role of histamine in hypoxic pulmonary hypertension in the rat. II. Depletion of histamine, serotonin, and catecholamines.


Distribution of size and shape in populations of normal human red cells.


Studies of cat heart muscle during recovery after prolonged hypothermia. Hyperpolarization of cell membranes and its dependence on the sodium pump with electrogenic characteristics.


Distribution of ions and water between tissue compartments in the perfused left ventricle of the rat heart.


Carbenoxolone for the duodenum: duogastrone capsules.


Softening ear wax: some new preparations.


Crotsparine, a new proaporphine alkaloid from Croton sparsiflorus Morong.


The anastomoses of the venous system of the brain and their role in the collateral circulation.


Degeneration activity after sympathetic denervation of the submaxillary gland and the eye.


Sensory nerve endings in the joint capsules of the tortoise (Testudo graeca).


The mitochondrial sheath of the bovine spermatozoid. I. The organization of mitochondria.


The mitochondrial sheath of the bovine spermatozoid. II. Ultrastructure of the mitochondria.


Types of sensory corpuscles common to mammals and birds.


Joint receptors in certain even-toed ungulates (artiodactyla) and their comparison with those in rodents (rodentia) and in lagomorphs (lagomorpha).


An easy method of sharpening scalpels.

An easy method of sharpening scalpels.


New era dawns for health planning.

New era dawns for health planning.


An administrator became involved in continuing education and found that it added meaning and excitement to his life.


Hospital-acquired infections. II. Problems with personnel, patients and visitors.


The hospital pharmacy--a profile for 1968.


A review of pharmacy for nurses.

A review of pharmacy for nurses.


The relationship between housekeeping and central service.


Criteria and organization for developing a stock catalog.


Research on hospital administration: status & prospects.


Foods of tomorrow.

Foods of tomorrow.


A method for the estimation of 45Ca in biological samples using a specific adsorbant.


Preliminary experimental observations on endoarterial introduction of radiating resin microspheres.


Plutonium-237 for metabolic studies: its preparation and use.


The rapid radiochemical separation of radioactive praseodymium from radioactive cerium.


Measurement of calcium-45 in biological fluid.


The relationship of Cu2+ content to the radioresistance of yeast.


Preparation of radioiodine labelled Rose Bengal for liver function studies.


Measurement of tritium in heterogeneous and homogeneous counting systems.


Preparation of radioiodine labelled 3-(alpha-acetonyl-4-iodobenzyl)-4-hydroxy-coumarin (B-II54).


The registration of charged particles in solids: an alternative to autoradiography in the life sciences.


Background rates in tritium counting: the effect of the vial.


Counting of tritiated compounds on paper chromatograms.


Long-lived phosphorescent components in NaI(T1) and CsI(T1).


Geometrical efficiency of a solid state radioactivity detector in mammalian tissue.


LiF and CaF2:Mn thermoluminescent dosimeters in tandem.


Health care needs of the aging--seminar discussion groups. 3. The role of medical education in meeting the medical needs of the aging.


Unspecific tritium-labelling of D-mannitol accelerated by ultra-violet radiation.


Effect of nutritional level imposed from birth to eight months of age on subsequent growth and development patterns of full-fed beef calves.


Roentgen video densitometer study of mitral valve closure during atrial fibrillation.


The adsorption of C-14-labeled stearic acid on iron.


Field-plot tests with insecticides for control of Chironomus atrella.


Reversal and nonreversal shifts among Liberian tribal people.


Management of atrial fibrillation.

Management of atrial fibrillation.


The radiologic examination of the heart.


Nicotinic and muscarinic activity of benzyltrimethyl-ammonium and its alpha-, beta- and gamma-substituted pyridylmethyltrimethylammonium analogs.


Venoconstrictive action of bradykinin.

Venoconstrictive action of bradykinin. A preparation employing direct observation of the marginal ear vein of the rabbit in vivo was used to study the venoconstrictive action of bradykinin (BK). By means of this preparation several hypotheses concerning BK mechanism of action were examined. An indirect mechanism mediated by the venoconstrictor amines norepinephrine or histamine was ruled out by the use of the alpha adrenergic blocking drug phentolamine and an antihistamine, tripelennamine. That is, neither blocking drug reduced the BK-induced venoconstriction. 5-Hydroxytryptamine, tyramine and acetylcholine were studied for their possible venoconstrictive effects but were found to be inactive in this regard. Similarly, an indirect mechanism mediated by reflex reactions to BK-evoked pain or systemic hypotension was ruled out by studies in animals with denervated ears. That is, BK was equiactive in normal and denervated ears. It is therefore suggested that, until endogenous venoconstrictor substances not considered here are shown to be released by BK, it may be assumed that BK causes a direct action on venous smooth muscle.


Dependence of nicotine-C14 distribution and movements upon pH in frog sartorius muscle.


Actions of procaine on nicotine-induced effects in frog sartorius muscle.


Stimulatory effect of phenobarbital on the metabolism in vivo of estradiol-17-beta and estrone in the rat.


An investigation of the decrease in the metabolism of hexobarbital, aminopyrine and p-nitrobenzoic acid by liver from rats bearing a pituitary mammotropic tumor.


A comparison of the teratogenic activity of thalidomide in rabbits and rats.


Disposition of thalidomide in rabbits and rats.


The effects of hydrazine upon the concentrations of free amino acids of plasma and urine.


Prevention of writhing and other effects of narcotics and narcotic antagonists in mice.


The effects of reserpine on vasopressin-cholesterol-induced atheromatous lesions.


Application of steady-state kinetics to the study of catecholamine turnover after monoamine oxidase inhibition or reserpine administration.


Application of steady-state kinetics to the uptake and decline of H3-NE in the rat heart.


Restoration of cardiac responsiveness to tyramine after reserpine.


The presence of antagonistically acting alpha and beta adrenergic receptors in the mouse spleen.


Autoradiographic localization of acetylcholine on the ampullate gland of the spider.


Radical perineal prostatectomy for carcinoma of the prbstate: survival in 143 cases treated from 1935 to 1958.


The rate of action of atropine.

The rate of action of atropine.


The spectrum of autonomous function in thyroid nodules.


Does the United States have a science policy?


Genetic influence on alimentary lipaemia in rats.


A correlation of infusion hepatic angiography and liver scanning.


Thyroid scanography.

Thyroid scanography.


Novel facilitation of peptide synthesis.


RNA changes in goldfish brain during learning.


Further x-ray evidence of regularly distributed lysine in alpha-keratin.


Urokinase inhibitor in human placenta.

Urokinase inhibitor in human placenta.


Evidence for a genetic relationship between avidins and lysozymes.


Electrophoresis of ferritins.

Electrophoresis of ferritins.


Absence of β-globin synthesis and excess of α-globin synthesis in homozygous β-thalassaemic subjects from the Ferrara region.


In vitro agglutination of bovine erythrocytes infected with Babesia argentina.


Proliferation of mast cells after antigenic stimulation in adult rats.


Growth-promoting effect of lysolecithin on Chinese hamster cells in vitro.


Odontogenesis: cell-cell interactions in vitro.


Sialotonin: vasopressor substance in cat submaxillary saliva.


Small molecular weight vitamin B12 binders in normal human serum.


Action of iontophretically applied tetrodotoxin on cortical nerve cells.


Types of motor units in the skeletal muscle of Xenopus laevis.


Axoplasmic transport of 14C-noradrenaline and protein in splenic nerves.


Interaction of trematodes by predation within natural double infections in the host snail Indoplanorbis exustus.


Effect of beta-indolylacetic acid on the growth and the auxin catabolism of Lactobacillus bulgaricus.


Rats prefer the home cage to the runway following intermittent but not consistent reinforcement.


Feasibility in age research.

Feasibility in age research.


Pharmacological basis for the tobacco smoking habit.


Simplification of the synthesis of tetramethyldipicrylamine.


Action of atomic hydrogen on aqueous bacteriophage T7.


Gene conversion: temperature data from Sordaria fimicola on the correction of mis-paired bases.


Indospicine, a new hepatotoxic amino-acid from Indigofera spicata.


Relative binding of strontium and calcium in protein and non-protein fractions of serum in the rabbit.


Specific method for estimating cell numbers in tendons.


Asthma and the high frequency sound environment.


Lack of complement fixing antigens in DMBA-induced leukaemia of rats.


Beta-alaninuria in patients with tuberculosis.


Immune response of rabbits during short term exposure to high altitude.


Absence of thymus in a mouse mutant.

Absence of thymus in a mouse mutant.


Drinking rates and gill ionic turnover in relation to external salinities in the eel.


Physico-chemical interaction between adenosine phosphates and fibrinogen as a cause of platelet aggregation.


Fibrin substrate free from both plasminogen and fibrin stabilizing factor.


Inhibition by adenosine diphosphate of the thrombocytopenia induced in rabbits by collagen or thrombin.


Free fatty acid patterns of human maternal plasma, perfused placenta and umbilical cord plasma.


Homologous alkaline phosphatases and homologous loci in two sibling species of European anopheline mosquitoes.


Radiation protection in nuclear power stations.


Radioisotopes in medical diagnosis and investigation.


Health visiting: a view of the future.

Health visiting: a view of the future.


The function of death.

The function of death.


Tropical diseases. I. Malaria (1).

Tropical diseases. I. Malaria (1).


The Royal Navy in Mauritius.

The Royal Navy in Mauritius.


A new way of freedom.

A new way of freedom.


The care of the dying.

The care of the dying.


A talk to student nurses. I. Changes in the temperature.


The care of paraplegic and quadriplegic patients. 3. Towards full rehabilitation.


Renal dialysis unit.

Renal dialysis unit.


Evolution of a therapeutic community.

Evolution of a therapeutic community.


First impressions of teaching.

First impressions of teaching.


Job description.

Job description.


Hospital internal communications.

Hospital internal communications.


Internal communications in a psychiatric hospital.


Laparoscopy: a valuable aid in gynecologic diagnosis.


Critical illnesses and deaths associated with intrauterine devices.


Vasa previa, antepartum diagnosis. Report of a case.


Coexisting metastatic choriocarcinoma and normal pregnancy. Therapy during gestation with maternal remission and fetal survival.


Surgical excision of pelvic arteriovenous fistula following successful treatment of chorionepithelioma.


Sedimentation rates of vaginal cells. A simple screening technic for cervical cancer.


Critical review of 160 clomiphene-related pregnancies.


Unilateral tubal triplet pregnancy. Report of a case.


Circular prolapse of the urethra in children: a cause of vaginal bleeding.


Biliary stasis after mestranol-norethindrone ingestion. Report of a case. This case report concerns a 29-year-old caucasian woman who developed cholestatic jaundice while taking Ortho-Novum 2 mg.  Biliary stasis was diagnosed from laboratory tests and gradually subsided when the medication was withdrawn.  The condition was found to be reproducible when Ortho-Novum 2 mg. was given again.  The patient was later given C-Quens with no return of symptoms which indicated norethindrone was the cholestatic agent.


Norgestrel and ethynyl estradiol: a new low-dosage oral agent for fertility control. To study the safety and efficacy of a norgestrel-ethinyl estradol oral contraceptive compound, 300 Mexican women, 16-42 years of age were orally administered .5 mg norgestrel and .05 mg ethinyl estradiol (Ovral) daily over a total of 3175  study cycles.  Most of the women were poor., uneducated and of high parity.  None of the patients in the study became pregnant, even in the cycles where 1 or more doses were omitted.  The menstrual cycle remained basically unaltered with breakthrough bleeding or spotting sometimes reported, usually when doses were missed.  Unexplained amenorrhea occurred in 1.2% of the cycles.  Though 5% of the women were ovulatory at one time of another as determined by pregnandiol levels, no pregnancy resulted, which is probably explained by changes in the cervical mucus caused by the pills making an inhospitable environment for  sperm migration.  Psychosomatic-related side-effects included nausea, headache and decreased libido in less than 1% of the cycles.  Chloasma aggravated by poor dietary intake occurred in .5% of the cycles.  No malignant, peripheral vascular or other serious disease occurred during the treatment and no significant endometrial alterations were seen.


The oversuppression syndrome.

The oversuppression syndrome.


Spectrophotometric analysis of amniotic fluid in Rh-negative women.


Amniotic fluid pH as an indicator of fetal asphyxia.


Air embolism: a discussion of maternal mortality with a report of 1 survivor.


Pelvic congestion; some further considerations.


Symptomatic angiomyolipoma associated with pregnancy. Report of a case.


Relationship of weight gain during pregnancy to birth weight and infant growth and development in the first year of life.


A new instrument for salpingostomy.

A new instrument for salpingostomy.


Isoenzyme patterns of serum alkaline phosphatase in abnormal uterine bleeding.


To cone or not to cone--the cervix.

To cone or not to cone--the cervix.


Some social-psychologic issues in improving obstetric care for the poor.


Neurologic maturation and auditory evoked responses in low birth weight infants.


Pulmonary alveolar proteinosis in three infants.