TJARKS, MARY MD; VAN VOORHIS, BRADLEY J. MD
Department of Obstetrics and Gynecology, University of Iowa College of Medicine, Iowa City, Iowa.
Address reprint requests to: Bradley J. Van Voorhis, MD, University of Iowa Hospitals and Clinics, Department of Obstetrics and Gynecology, 200 Hawkins Drive, Iowa City, IA 52242-1080, E-mail: [email protected]
Received April 20, 2000. Received in revised form June 27, 2000. Accepted August 17, 2000.