MATERNAL AND CHILD HEALTH CARE OF CHINA, Volume 20, Issue 11,2005, Pages 1343-1343, doi:10.3969/j.issn.1001-4411.2005.11.026
CHINESE GENERAL PRACTICE, Volume 8, Issue 11,2005, Pages 936-938, doi:10.3969/j.issn.1007-9572.2005.11.041
CHINESE JOURNAL OF NURSING, Volume 40, Issue 11,2005, Pages 801-806,
CHINA JOURNAL OF MODERN MEDICINE, Volume 15, Issue 11,2005, Pages 1644-1646, doi:10.3969/j.issn.1005-8982.2005.11.011
MODERN PREVENTIVE MEDICINE, Volume 32, Issue 11,2005, Pages 1491-1491, doi:10.3969/j.issn.1003-8507.2005.11.034