CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 2,2006, Pages 126-127, doi:10.3760/j.issn:0529-567X.2006.02.015
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 2,2006, Pages 129-130, doi:10.3760/j.issn:0529-567X.2006.02.017
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 2,2006, Pages 142-144, doi:10.3760/j.issn:0529-567X.2006.02.024
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 2,2006, Pages 107-110, doi:10.3760/j.issn:0529-567X.2006.02.010
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 2,2006, Pages 135-136, doi:10.3760/j.issn:0529-567X.2006.02.021