Chinese Journal of Perinatal Medicine, Volume 18, Issue 12,2015, Pages 943-945, doi:10.3760/cma.j.issn.1007-9408.2015.12.015
Chinese Journal of Perinatal Medicine, Volume 18, Issue 12,2015, Pages 927-931, doi:10.3760/cma.j.issn.1007-9408.2015.12.009
Chinese Journal of Perinatal Medicine, Volume 18, Issue 12,2015, Pages 896-903, doi:10.3760/cma.j.issn.1007-9408.2015.12.004
Chinese Journal of Perinatal Medicine, Volume 18, Issue 12,2015, Pages 910-915, doi:10.3760/cma.j.issn.1007-9408.2015.12.006
Chinese Journal of Perinatal Medicine, Volume 18, Issue 12,2015, Pages 938-940, doi:10.3760/cma.j.issn.1007-9408.2015.12.012