CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 8, Issue 3,2005, Pages 192-194, doi:10.3760/cma.j.issn.1007-9408.2005.03.013
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 8, Issue 3,2005, Pages 199-200, doi:10.3760/cma.j.issn.1007-9408.2005.03.017
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 8, Issue 3,2005, Pages 145-149, doi:10.3760/cma.j.issn.1007-9408.2005.03.001
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 8, Issue 3,2005, Pages 157-159, doi:10.3760/cma.j.issn.1007-9408.2005.03.004
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 8, Issue 3,2005, Pages 165-167, doi:10.3760/cma.j.issn.1007-9408.2005.03.006