CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 14, Issue 1,2011, Pages 1, doi:10.3760/cma.j.issn.1007-9408.2011.01.001
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 14, Issue 1,2011, Pages 39-44, doi:10.3760/cma.j.issn.1007-9408.2011.01.012
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 14, Issue 1,2011, Pages 8-11, doi:10.3760/cma.j.issn.1007-9408.2011.01.004
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 14, Issue 1,2011, Pages 2-4, doi:10.3760/cma.j.issn.1007-9408.2011.01.002
CHINESE JOURNAL OF PERINATAL MEDICINE, Volume 14, Issue 1,2011, Pages 21-23, doi:10.3760/cma.j.issn.1007-9408.2011.01.007