CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 11,2003, Pages 660, doi:10.3760/j.issn:0529-567X.2003.11.037
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 11,2003, Pages 702-703, doi:10.3760/j.issn:0529-567X.2003.11.019
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 11,2003, Pages 659-660, doi:10.3760/j.issn:0529-567X.2003.11.002
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 11,2003, Pages 715-716, doi:10.3760/j.issn:0529-567X.2003.11.024
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 38, Issue 11,2003, Pages 705, doi:10.3760/j.issn:0529-567X.2003.11.039