CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 26, Issue 5,2005, Pages 332-334, doi:10.3760/j.issn:0254-6450.2005.05.008
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 26, Issue 5,2005, Pages 382, doi:10.3760/j.issn:0254-6450.2005.05.025
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 26, Issue 5,2005, Pages 343, doi:10.3760/j.issn:0254-6450.2005.05.020
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 26, Issue 5,2005, Pages 356-360, doi:10.3760/j.issn:0254-6450.2005.05.014
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 26, Issue 5,2005, Pages 351-355, doi:10.3760/j.issn:0254-6450.2005.05.013