Volume 21(1); October 1948 Articles Michael Servetus and the Discovery of the Lesser Circulation PMCID: PMC2598790 A Method for Counting Blood Platelets in Small Animals PMCID: PMC2598795 Nature and Significance of Neutral Steroids in Human Urine in Normal and in Abnormal States: With a Preliminary Consideration of the Adrenal and Gonadal Steroids and the Factors which Influence their Secretion and Biological Action PMCID: PMC2598785 Occurrence of the Wolff-Parkinson-White Syndrome Concomitant with Acute Rheumatic Fever PMCID: PMC2598782 Differences in the Resistance of Human Plasmas to Staphylocoagulase PMCID: PMC2598784 Abstracts PMCID: PMC2598791 Book Reviews Human Physiology PMCID: PMC2598797 400 Years of a Doctor's Life PMCID: PMC2598786 Essentials of Pathology PMCID: PMC2598794 Biology of Disease PMCID: PMC2598783 Zinsser's Textbook of Bacteriology PMCID: PMC2598788 Biology for Medical Students PMCID: PMC2598781 Viral and Rickettsial Infections of Man PMCID: PMC2598789 Laboratory Diagnosis of Protozoan Diseases PMCID: PMC2598787 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||