Chinese Journal of Obstetrics and Gynecology, Volume 51, Issue 11,2016, Pages 865-867, doi:10.3760/cma.j.issn.0529-567x.2016.11.012
Chinese Journal of Obstetrics and Gynecology, Volume 51, Issue 11,2016, Pages 867-869, doi:10.3760/cma.j.issn.0529-567x.2016.11.013
Chinese Journal of Obstetrics and Gynecology, Volume 51, Issue 11,2016, Pages 825-831, doi:10.3760/cma.j.issn.0529-567x.2016.11.005
Chinese Journal of Obstetrics and Gynecology, Volume 51, Issue 11,2016, Pages 832-834, doi:10.3760/cma.j.issn.0529-567x.2016.11.006
Chinese Journal of Obstetrics and Gynecology, Volume 51, Issue 11,2016, Pages 850-858, doi:10.3760/cma.j.issn.0529-567x.2016.11.010