Original Article: PDF OnlyFetal Blood Studies XIX. Adult and Fetal Hemoglobin Levels of Human Fetal Blood in Term Pregnancy and in Prolonged PregnancyCOTTER, JULIAN M.D.; PRYSTOWSKY, HARRY M.D., F.A.C.O.G. Author Information Department of Obstetrics and Gynecology, University of Florida College of Medicine, Gainesville, Fla. Obstetrics & Gynecology 22(6):p 745-750, December 1963. Buy © 1963 The American College of Obstetricians and Gynecologists