Chinese Journal of Perinatal Medicine, Volume 16, Issue 1,2013, Pages 63-64, doi:10.3760/cma.j.issn.1007-9408.2013.01.017
Chinese Journal of Perinatal Medicine, Volume 16, Issue 1,2013, Pages 1, doi:10.3760/cma.j.issn.1007-9408.2013.01.001
Chinese Journal of Perinatal Medicine, Volume 16, Issue 1,2013, Pages 39-41, doi:10.3760/cma.j.issn.1007-9408.2013.01.010
Chinese Journal of Perinatal Medicine, Volume 16, Issue 1,2013, Pages 42-44, doi:10.3760/cma.j.issn.1007-9408.2013.01.011
Chinese Journal of Perinatal Medicine, Volume 16, Issue 1,2013, Pages 45-50, doi:10.3760/cma.j.issn.1007-9408.2013.01.012