Original Article: PDF OnlyBiosynthesis of Estrogens in Pregnancy Precursor Role of Plasma DehydroisoandrosteroneWARREN, JAMES C. M.D., Ph.D.; TIMBERLAKE, CHARLES E. M.S.Author Information From the Departments of Obstetrics and Gynecology and Biochemistry, the Univesity of Kansas School of Medicine, Kansas City, Kans. Obstetrics & Gynecology: May 1964 - Volume 23 - Issue 5 - p 689-698 Free © 1964 The American College of Obstetricians and Gynecologists