Chinese Journal of Perinatal Medicine, Volume 19, Issue 11,2016, Pages 833-835, doi:10.3760/cma.j.issn.1007-9408.2016.11.009
Chinese Journal of Perinatal Medicine, Volume 19, Issue 11,2016, Pages 878-879, doi:10.3760/cma.j.issn.1007-9408.2016.11.017
Chinese Journal of Perinatal Medicine, Volume 19, Issue 11,2016, Pages 819-822, doi:10.3760/cma.j.issn.1007-9408.2016.11.006
Chinese Journal of Perinatal Medicine, Volume 19, Issue 11,2016, Pages 823-826, doi:10.3760/cma.j.issn.1007-9408.2016.11.007
Chinese Journal of Perinatal Medicine, Volume 19, Issue 11,2016, Pages 872-877, doi:10.3760/cma.j.issn.1007-9408.2016.11.016