CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 42, Issue 8,2008, Pages 565-568, doi:10.3321/j.issn:0253-9624.2008.08.006
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 42, Issue 8,2008, Pages 598-598,
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 42, Issue 8,2008, Pages 596-598, doi:10.3321/j.issn:0253-9624.2008.08.013
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 42, Issue 8,2008, Pages 602-604, doi:10.3321/j.issn:0253-9624.2008.08.015
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 42, Issue 8,2008, Pages 595-595, doi:10.3321/j.issn:0253-9624.2008.08.027