Search results
American Journal of Obstetrics and Gynecology > 2006 > 194 > 5 > 1391-1398
Contraception > 1997 > 56 > 2 > 117-122
Contraception > 1996 > 54 > 2 > 107-115
Contraception > 1995 > 51 > 4 > 249-254
American Journal of Obstetrics and Gynecology > 2006 > 194 > 5 > 1391-1398
Contraception > 1997 > 56 > 2 > 117-122
Contraception > 1996 > 54 > 2 > 107-115
Contraception > 1995 > 51 > 4 > 249-254