National Medical Journal of China, Volume 91, Issue 48,2011, Pages 3442-3444, doi:10.3760/cma.j.issn.0376-2491.2011.48.015
National Medical Journal of China, Volume 91, Issue 48,2011, Pages 3397-3400, doi:10.3760/cma.j.issn.0376-2491.2011.48.004
National Medical Journal of China, Volume 91, Issue 48,2011, Pages 3438-3441, doi:10.3760/cma.j.issn.0376-2491.2011.48.014
National Medical Journal of China, Volume 91, Issue 48,2011, Pages 3455, doi:10.3760/cma.j.issn.0376-2491.2011.48.019
National Medical Journal of China, Volume 91, Issue 48,2011, Pages 3392,3396,3412,3425,3430,3444,3451,