Obstetrics & Gynecology
Obstetrics & Gynecology > 1999 > 94 > 1 > 94-98
Obstetrics & Gynecology > 1999 > 94 > 1 > 11-14
Obstetrics & Gynecology > 1999 > 94 > 1 > 15-20
Obstetrics & Gynecology > 1999 > 94 > 1 > 139-141
Obstetrics & Gynecology > 1999 > 94 > 1 > 71-77
Obstetrics & Gynecology > 1999 > 94 > 1 > 78-82
Obstetrics & Gynecology > 1999 > 94 > 1 > 99-102
Obstetrics & Gynecology > 1999 > 94 > 1 > 34-40
Obstetrics & Gynecology > 1999 > 94 > 1 > 57-60
Obstetrics & Gynecology > 1999 > 94 > 1 > 128-134
Obstetrics & Gynecology > 1999 > 94 > 1 > 135-138
Obstetrics & Gynecology > 1999 > 94 > 1 > 48-51
Obstetrics & Gynecology > 1999 > 94 > 1 > 29-33
Obstetrics & Gynecology > 1999 > 94 > 1 > 83-88
Obstetrics & Gynecology > 1999 > 94 > 1 > 52-56