Chinese Journal of Perinatal Medicine, Volume 19, Issue 8,2016, Pages 634, doi:10.3760/cma.j.issn.1007-9408.2016.08.018
Chinese Journal of Perinatal Medicine, Volume 19, Issue 8,2016, Pages 623-626, doi:10.3760/cma.j.issn.1007-9408.2016.08.015
Chinese Journal of Perinatal Medicine, Volume 19, Issue 8,2016, Pages 596-602, doi:10.3760/cma.j.issn.1007-9408.2016.08.009
Chinese Journal of Perinatal Medicine, Volume 19, Issue 8,2016, Pages 603-607, doi:10.3760/cma.j.issn.1007-9408.2016.08.010
Chinese Journal of Perinatal Medicine, Volume 19, Issue 8,2016, Pages 620-622, doi:10.3760/cma.j.issn.1007-9408.2016.08.014