CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 36, Issue 2,2002, Pages 77-80, doi:10.3760/j:issn:0253-9624.2002.02.002
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 36, Issue 2,2002, Pages 80, doi:10.3760/j:issn:0253-9624.2002.02.027
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CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 36, Issue 2,2002, Pages 142-143, doi:10.3760/j:issn:0253-9624.2002.02.025
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 36, Issue 2,2002, Pages 89-92, doi:10.3760/j:issn:0253-9624.2002.02.005