Factors affecting the direction of classically conditioned heart-rate responses of rats : influence of instrumental contingencies, degree of restraint, and skeletal-motor activity

Self-punitive behavior in the rat as a function of starting area exposure, starting procedure, and extinction criterion

Neural effects of acoustic overload : a single unit analysis of frequency-dependent depression

Cross-idiotypic specificity of rat antibodies to Streptococcal A carbohydrate

Cellular recognition of timothy pollen antigens

The purification and charaterization of human M1- and M11-pyruvate kinase isoenzymes

Studies on the structure, function and regulation of rabbit reticulocyte ribosomes

Subjugation of host macromolecular synthesis by R17 bacteriophage during infection of Escherichia coli