CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 25, Issue 5,2004, Pages 444, doi:10.3760/j.issn:0254-6450.2004.05.029
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 25, Issue 5,2004, Pages 插页5, doi:10.3760/j.issn:0254-6450.2004.05.039
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 25, Issue 5,2004, Pages 435-438, doi:10.3760/j.issn:0254-6450.2004.05.019
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 25, Issue 5,2004, Pages 399, doi:10.3760/j.issn:0254-6450.2004.05.025
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 25, Issue 5,2004, Pages 449-451, doi:10.3760/j.issn:0254-6450.2004.05.022