CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 9, Issue 2,2006, Pages 103-107, doi:10.3760/cma.j.issn.1007-9408.2006.02.009
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 9, Issue 2,2006, Pages 129-131, doi:10.3760/cma.j.issn.1007-9408.2006.02.018
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 9, Issue 2,2006, Pages 100-102, doi:10.3760/cma.j.issn.1007-9408.2006.02.008
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 9, Issue 2,2006, Pages 138-140, doi:10.3760/cma.j.issn.1007-9408.2006.02.021
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 9, Issue 2,2006, Pages 108-111, doi:10.3760/cma.j.issn.1007-9408.2006.02.010