CHINESE JOURNAL OF POSTGRADUATES OF MEDICINE, Volume 29, Issue 34,2006, Pages 4-7, doi:10.3760/cma.j.issn.1673-4904.2006.34.002
SHANDONG MEDICAL JOURNAL, Volume 46, Issue 34,2006, Pages 35, doi:10.3969/j.issn.1002-266X.2006.34.075
CHINESE NURSING RESEARCH, Volume 20, Issue 34,2006, Pages 3146, doi:10.3969/j.issn.1009-6493.2006.34.048
CHINA MEDICAL HERALD, Volume 3, Issue 34,2006, Pages 149-150, doi:10.3969/j.issn.1673-7210.2006.34.069
CHINA MEDICAL HERALD, Volume 3, Issue 34,2006, Pages 139-140, doi:10.3969/j.issn.1673-7210.2006.34.062