National Medical Journal of China, Volume 93, Issue 39,2013, Pages 3152-3154, doi:10.3760/cma.j.issn.0376-2491.2013.39.016
National Medical Journal of China, Volume 93, Issue 39,2013, Pages 3091-3092, doi:10.3760/cma.j.issn.0376-2491.2013.39.002
National Medical Journal of China, Volume 93, Issue 39,2013, Pages 3160-3163, doi:10.3760/cma.j.issn.0376-2491.2013.39.019
National Medical Journal of China, Volume 93, Issue 39,2013, Pages 3104-3110, doi:10.3760/cma.j.issn.0376-2491.2013.39.004
National Medical Journal of China, Volume 93, Issue 39,2013, Pages 3089-3090, doi:10.3760/cma.j.issn.0376-2491.2013.39.001