Kaunitz Andrew M, Rosenfield Allan
Department of Obstetrics and Gynecology, University of Florida Health Science Center, 653 West 8th Street, Jacksonville, Florida, 32209, USA.
Columbia School of Public Health, and Department of Obstetrics and Gynecology, Columbia Presbyterian Medical Center, New York, New York, USA.
Drugs. 1993 Jun;45(6):857-865. doi: 10.2165/00003495-199345060-00001.