CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 13, Issue 5,2010, Pages 394-397, doi:10.3760/cma.j.issn.1007-9408.2010.05.012
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 13, Issue 5,2010, Pages 384-389, doi:10.3760/cma.j.issn.1007-9408.2010.05.010
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 13, Issue 5,2010, Pages 429-430, doi:10.3760/cma.j.issn.1007-9408.2010.05.021
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 13, Issue 5,2010, Pages 359-360, doi:10.3760/cma.j.issn.1007-9408.2010.05.003
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 13, Issue 5,2010, Pages 437-438, doi:10.3760/cma.j.issn.1007-9408.2010.05.027