Chinese Journal of Obstetrics and Gynecology, Volume 50, Issue 10,2015, Pages 729-733, doi:10.3760/cma.j.issn.0529-567x.2015.10.002
Chinese Journal of Obstetrics and Gynecology, Volume 50, Issue 10,2015, Pages 788, doi:10.3760/cma.j.issn.0529-567x.2015.10.016
Chinese Journal of Obstetrics and Gynecology, Volume 50, Issue 10,2015, Pages 780-782, doi:10.3760/cma.j.issn.0529-567x.2015.10.011
Chinese Journal of Obstetrics and Gynecology, Volume 50, Issue 10,2015, Pages 789, doi:10.3760/cma.j.issn.0529-567x.2015.10.017
Chinese Journal of Obstetrics and Gynecology, Volume 50, Issue 10,2015, Pages 777-779, doi:10.3760/cma.j.issn.0529-567x.2015.10.010