Search results for: Ralph L. Kramer
American Journal of Obstetrics and Gynecology > 1999 > 181 > 4 > 968-974
American Journal of Obstetrics and Gynecology > 1999 > 180 > 5 > 1268-1271
American Journal of Obstetrics and Gynecology > 1998 > 179 > 4 > 971-973
Obstetrics & Gynecology > 1997 > 89 > 3 > 387-391
Obstetrics & Gynecology > 1996 > 88 > 1 > 29-32