Chinese Journal of Perinatal Medicine, Volume 19, Issue 12,2016, Pages 914-919, doi:10.3760/cma.j.issn.1007-9408.2016.12.007
Chinese Journal of Perinatal Medicine, Volume 19, Issue 12,2016, Pages 890-895, doi:10.3760/cma.j.issn.1007-9408.2016.12.003
Chinese Journal of Perinatal Medicine, Volume 19, Issue 12,2016, Pages 953-956, doi:10.3760/cma.j.issn.1007-9408.2016.12.015
Chinese Journal of Perinatal Medicine, Volume 19, Issue 12,2016, Pages 933-939, doi:10.3760/cma.j.issn.1007-9408.2016.12.010