Original Article: PDF Only
CAREY, MERVYN LEE M.D.; CIAN, LOUIS C. M.D.; DAVIS, HUGH J. M.D.; BÖVING, BENT M.D.; JONES, HOWARD W. Jr. M.D.
From the Departments of Obstetrics and Gynecology, The Johns Hopkins University and Hospital, and the Department of Embryology, Carnegie Institution of Washington, Baltimore, Md.
