CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 08,2003, Pages 468-470, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 08,2003, Pages 471-473, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 08,2003, Pages 474-477, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 08,2003, Pages 478-480, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 08,2003, Pages 481-483, Dol: