CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 38, Issue 5,2004, Pages 342-344, doi:10.3760/j:issn:0253-9624.2004.05.015
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 38, Issue 5,2004, Pages 354, doi:10.3760/j:issn:0253-9624.2004.05.019
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 38, Issue 5,2004, Pages 331-334, doi:10.3760/j:issn:0253-9624.2004.05.012
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 38, Issue 5,2004, Pages 357, doi:10.3760/j:issn:0253-9624.2004.05.035
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 38, Issue 5,2004, Pages 334, doi:10.3760/j:issn:0253-9624.2004.05.033