Search results for: Frank Ling
Obstetrics & Gynecology > 2001 > 97 > 4 Supplement 1 > S9
Obstetrics & Gynecology > 2000 > 95 > 4(S1) > S29
Obstetrics & Gynecology > 2000 > 95 > 4(S1) > S29
Obstetrics & Gynecology > 1999 > 93 > 6 > 889-895
Obstetrics & Gynecology > 1998 > 91 > 2 > 241-246