CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 41, Issue 1,2007, Pages 21-24, doi:10.3760/j:issn:0253-9624.2007.01.006
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 41, Issue 1,2007, Pages 74-75, doi:10.3760/j:issn:0253-9624.2007.01.023
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 41, Issue 1,2007, Pages 38-41, doi:10.3760/j:issn:0253-9624.2007.01.010
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 41, Issue 1,2007, Pages 17-20, doi:10.3760/j:issn:0253-9624.2007.01.005
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 41, Issue 1,2007, Pages 25-28, doi:10.3760/j:issn:0253-9624.2007.01.007