NURSING JOURNAL OF CHINESE PEOPLE'S LIBERATION ARMY, Volume 26, Issue 24,2009, Pages 1-4, doi:10.3969/j.issn.1008-9993.2009.24.001
JOURNAL OF QILU NURSING, Volume 15, Issue 24,2009, Pages 96, doi:10.3969/j.issn.1006-7256.2009.24.058
CHINESE COMMUNITY DOCTORS, Volume 11, Issue 24,2009, Pages 105, doi:10.3969/j.issn.1007-614x.2009.24.132
GUIDE OF CHINA MEDICINE, Volume 7, Issue 24,2009, Pages 221-222, doi:10.3969/j.issn.1671-8194.2009.24.184