CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 05,2006, Pages 289-290, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 05,2006, Pages 291-294, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 05,2006, Pages 295-298, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 05,2006, Pages 299-301, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 05,2006, Pages 302-306, Dol: