CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 31, Issue 3,2010, Pages 358-359, doi:10.3760/cma.j.issn.0254-6450.2010.03.033
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 31, Issue 3,2010, Pages 312-315, doi:10.3760/cma.j.issn.0254-6450.2010.03.018
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 31, Issue 3,2010, Pages 241-244, doi:10.3760/cma.j.issn.0254-6450.2010.03.001
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 31, Issue 3,2010, Pages 273-276, doi:10.3760/cma.j.issn.0254-6450.2010.03.008
CHINESE JOURNAL OF EPIDEMIOLOGY, Volume 31, Issue 3,2010, Pages 351-353, doi:10.3760/cma.j.issn.0254-6450.2010.03.029