CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 43, Issue 9,2008, Pages 700-701, doi:10.3321/j.issn:0529-567X.2008.09.014
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 43, Issue 9,2008, Pages 690-694, doi:10.3321/j.issn:0529-567X.2008.09.012
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 43, Issue 9,2008, Pages 710, doi:10.3321/j.issn:0529-567X.2008.09.020
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 43, Issue 9,2008, Pages 695-699, doi:10.3321/j.issn:0529-567X.2008.09.013
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 43, Issue 9,2008, Pages 661,669,689,701,704,707,