CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 35, Issue 5,2001, Pages 338-340, doi:10.3760/j:issn:0253-9624.2001.05.015
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 35, Issue 5,2001, Pages 357-359, doi:10.3760/j:issn:0253-9624.2001.05.023
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 35, Issue 5,2001, Pages 349-350, doi:10.3760/j:issn:0253-9624.2001.05.019
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 35, Issue 5,2001, Pages 291-292, doi:10.3760/j:issn:0253-9624.2001.05.001
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 35, Issue 5,2001, Pages 341-343, doi:10.3760/j:issn:0253-9624.2001.05.016