CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 35, Issue 3,2001, Pages 177-180, doi:10.3760/j:issn:0253-9624.2001.03.010
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 35, Issue 3,2001, Pages 181-184, doi:10.3760/j:issn:0253-9624.2001.03.011
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 35, Issue 3,2001, Pages 159-162, doi:10.3760/j:issn:0253-9624.2001.03.005
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 35, Issue 3,2001, Pages 167-170, doi:10.3760/j:issn:0253-9624.2001.03.007
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 35, Issue 3,2001, Pages 封三, doi:10.3760/j:issn:0253-9624.2001.03.040