CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 45, Issue 12,2010, Pages 881-884, Dol:10.3760/cma.j.issn.0529-567x.2010.12.001
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 45, Issue 12,2010, Pages 885-890, Dol:10.3760/cma.j.issn.0529-567x.2010.12.002
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 45, Issue 12,2010, Pages 891-895, Dol:10.3760/cma.j.issn.0529-567x.2010.12.003
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 45, Issue 12,2010, Pages 896-899, Dol:10.3760/cma.j.issn.0529-567x.2010.12.004
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY, Volume 45, Issue 12,2010, Pages 900-903, Dol:10.3760/cma.j.issn.0529-567x.2010.12.005