Original Articles: PDF OnlyFetal Blood Studies X. A comparative study of the oxygen capacity of human fetal blood in normal and abnormal pregnancyPRYSTOWSKY, HARRY M.D. Author Information From the Department of Obstetrics, The Johns Hopkins University School of Medicine and Hospital, Baltimore, Md. Obstetrics & Gynecology 12(3):p 264-268, September 1958. Buy © 1958 The American College of Obstetricians and Gynecologists