National Medical Journal of China, Volume 93, Issue 37,2013, Pages 3000-3001, doi:10.3760/cma.j.issn.0376-2491.2013.37.023
National Medical Journal of China, Volume 93, Issue 37,2013, Pages 2938, doi:10.3760/cma.j.issn.0376-2491.2013.37.005
National Medical Journal of China, Volume 93, Issue 37,2013, Pages 2972-2975, doi:10.3760/cma.j.issn.0376-2491.2013.37.015
National Medical Journal of China, Volume 93, Issue 37,2013, Pages 2953-2956, doi:10.3760/cma.j.issn.0376-2491.2013.37.010
National Medical Journal of China, Volume 93, Issue 37,2013, Pages 2946-2949, doi:10.3760/cma.j.issn.0376-2491.2013.37.008