Chinese Journal of Perinatal Medicine, Volume 18, Issue 10,2015, Pages 747-754, doi:10.3760/cma.j.issn.1007-9408.2015.10.007
Chinese Journal of Perinatal Medicine, Volume 18, Issue 10,2015, Pages 729-731, doi:10.3760/cma.j.issn.1007-9408.2015.10.003
Chinese Journal of Perinatal Medicine, Volume 18, Issue 10,2015, Pages 789-790, doi:10.3760/cma.j.issn.1007-9408.2015.10.017
Chinese Journal of Perinatal Medicine, Volume 18, Issue 10,2015, Pages 732-736, doi:10.3760/cma.j.issn.1007-9408.2015.10.004
Chinese Journal of Perinatal Medicine, Volume 18, Issue 10,2015, Pages 791-793, doi:10.3760/cma.j.issn.1007-9408.2015.10.018