Chinese Journal of Perinatal Medicine, Volume 19, Issue 3,2016, Pages 178-180, doi:10.3760/cma.j.issn.1007-9408.2016.03.004
Chinese Journal of Perinatal Medicine, Volume 19, Issue 3,2016, Pages 170-174, doi:10.3760/cma.j.issn.1007-9408.2016.03.002
Chinese Journal of Perinatal Medicine, Volume 19, Issue 3,2016, Pages 182-187, doi:10.3760/cma.j.issn.1007-9408.2016.03.006
Chinese Journal of Perinatal Medicine, Volume 19, Issue 3,2016, Pages 200-205, doi:10.3760/cma.j.issn.1007-9408.2016.03.009
Chinese Journal of Perinatal Medicine, Volume 19, Issue 3,2016, Pages 181, doi:10.3760/cma.j.issn.1007-9408.2016.03.005