CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 40, Issue 06,2005, Pages 361, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 40, Issue 06,2005, Pages 362-364, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 40, Issue 06,2005, Pages 365-368, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 40, Issue 06,2005, Pages 369-371, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 40, Issue 06,2005, Pages 372-375, Dol: