CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 42, Issue 12,2008, Pages 859-861, doi:10.3321/j.issn:0253-9624.2008.12.001
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 42, Issue 12,2008, Pages 875-878, doi:10.3321/j.issn:0253-9624.2008.12.005
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 42, Issue 12,2008, Pages 866-869, doi:10.3321/j.issn:0253-9624.2008.12.003
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 42, Issue 12,2008, Pages 879-883, doi:10.3321/j.issn:0253-9624.2008.12.006
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 42, Issue 12,2008, Pages 928-929, doi:10.3321/j.issn:0253-9624.2008.12.017