JOURNAL OF ANHUI AGRICULTURAL SCIENCES, Volume 35, Issue 20,2007, Pages 6081-6082, doi:10.3969/j.issn.0517-6611.2007.20.039
HEALTH VOCATIONAL EDUCATION, Volume 25, Issue 20,2007, Pages 105-106, doi:10.3969/j.issn.1671-1246.2007.20.066
CHONGQING MEDICAL JOURNAL, Volume 36, Issue 20,2007, Pages 2102-2103, doi:10.3969/j.issn.1671-8348.2007.20.036
MODERN JOURNAL OF INTEGRATED TRADITIONAL CHINESE AND WESTERN MEDICINE, Volume 16, Issue 20,2007, Pages 2935-2936, doi:10.3969/j.issn.1008-8849.2007.20.118
CHINESE NURSING RESEARCH, Volume 21, Issue 20,2007, Pages 1828, doi:10.3969/j.issn.1009-6493.2007.20.061