Original Article: PDF OnlyThe Gravimetric Estimation of Chorionic Gonadotropin in Normal and Pathologic PregnancyJOEL, CHARLES A. M.D., Ph.D., M.A.; LANCET, MOSHE M.D., B.A. Author Information From the Institute for the Research and Treatment of Infertility, Hadassah Municipal Hospital, Tel-Aviv, Israel Obstetrics & Gynecology 13(1):p 51-60, January 1959. Buy © 1959 The American College of Obstetricians and Gynecologists