CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 3,2006, Pages 206-209, doi:10.3760/j.issn:0529-567X.2006.03.020
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 3,2006, Pages 145-147, doi:10.3760/j.issn:0529-567X.2006.03.001
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 3,2006, Pages 186-189, doi:10.3760/j.issn:0529-567X.2006.03.012
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 3,2006, Pages 201-202, doi:10.3760/j.issn:0529-567X.2006.03.017
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 41, Issue 3,2006, Pages 159-161, doi:10.3760/j.issn:0529-567X.2006.03.005