CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 40, Issue 12,2005, Pages 793-795, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 40, Issue 12,2005, Pages 796-798, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 40, Issue 12,2005, Pages 799-802, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 40, Issue 12,2005, Pages 803-807, Dol:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 40, Issue 12,2005, Pages 808-811, Dol: