CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 37, Issue 4,2003, Pages 279-280, doi:10.3760/j:issn:0253-9624.2003.04.021
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 37, Issue 4,2003, Pages 240-242, doi:10.3760/j:issn:0253-9624.2003.04.008
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 37, Issue 4,2003, Pages 277-278, doi:10.3760/j:issn:0253-9624.2003.04.020
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 37, Issue 4,2003, Pages 226, doi:10.3760/j:issn:0253-9624.2003.04.031
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 37, Issue 4,2003, Pages 286-288, doi:10.3760/j:issn:0253-9624.2003.04.024