JOURNAL OF NURSES TRAINING, Volume 23, Issue 20,2008, Pages 1836-1837, doi:10.3969/j.issn.1002-6975.2008.20.005
CHINESE NURSING RESEARCH, Volume 22, Issue 20,2008, Pages 1838-1840, doi:10.3969/j.issn.1009-6493.2008.20.032
SCIENCE & TECHNOLOGY INFORMATION, , Issue 20,2008, Pages 197-198, doi:10.3969/j.issn.1672-3791.2008.20.159
MATERNAL AND CHILD HEALTH CARE OF CHINA, Volume 23, Issue 20,2008, Pages 2814-2815, doi:10.3969/j.issn.1001-4411.2008.20.019
CHINESE MEDICAL JOURNAL, Volume 121, Issue 20,2008, Pages 2004-2009,