CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 27, Issue 11,2006, Pages 985-990, doi:10.3760/j.issn:0254-6450.2006.11.017
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 27, Issue 11,2006, Pages 934-938, doi:10.3760/j.issn:0254-6450.2006.11.004
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 27, Issue 11,2006, Pages 953-955, doi:10.3760/j.issn:0254-6450.2006.11.009
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 27, Issue 11,2006, Pages 963-967, doi:10.3760/j.issn:0254-6450.2006.11.012
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 27, Issue 11,2006, Pages 1009-1010, doi:10.3760/j.issn:0254-6450.2006.11.025