CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 38, Issue 6,2004, Pages 363-364, doi:10.3760/j:issn:0253-9624.2004.06.001
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 38, Issue 6,2004, Pages 383-387, doi:10.3760/j:issn:0253-9624.2004.06.006
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 38, Issue 6,2004, Pages 374-378, doi:10.3760/j:issn:0253-9624.2004.06.004
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 38, Issue 6,2004, Pages 430, doi:10.3760/j:issn:0253-9624.2004.06.025
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 38, Issue 6,2004, Pages 392-395, doi:10.3760/j:issn:0253-9624.2004.06.008