CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 41, Issue 3,2007, Pages 179-182, doi:10.3760/j:issn:0253-9624.2007.03.006
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 41, Issue 3,2007, Pages 212-214, doi:10.3760/j:issn:0253-9624.2007.03.015
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 41, Issue 3,2007, Pages 189-192, doi:10.3760/j:issn:0253-9624.2007.03.009
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 41, Issue 3,2007, Pages 169-171, doi:10.3760/j:issn:0253-9624.2007.03.003
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 41, Issue 3,2007, Pages 196-199, doi:10.3760/j:issn:0253-9624.2007.03.011