CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 13, Issue 6,2010, Pages 488-493, doi:10.3760/cma.j.issn.1007-9408.2010.06.011
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 13, Issue 6,2010, Pages 474-477, doi:10.3760/cma.j.issn.1007-9408.2010.06.008
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 13, Issue 6,2010, Pages 502-504, doi:10.3760/cma.j.issn.1007-9408.2010.06.014
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 13, Issue 6,2010, Pages 514, doi:10.3760/cma.j.issn.1007-9408.2010.06.018
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 13, Issue 6,2010, Pages 509-511, doi:10.3760/cma.j.issn.1007-9408.2010.06.016