CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 10,2003, Pages 593-594, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 10,2003, Pages 595-598, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 10,2003, Pages 599-603, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 10,2003, Pages 604-607, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 10,2003, Pages 608-610, Dol: