National Medical Journal of China, Volume 96, Issue 31,2016, Pages 2454-2457, doi:10.3760/cma.j.issn.0376-2491.2016.31.003
National Medical Journal of China, Volume 96, Issue 31,2016, Pages 2507-2508, doi:10.3760/cma.j.issn.0376-2491.2016.31.014
National Medical Journal of China, Volume 96, Issue 31,2016, Pages 2509-2511, doi:10.3760/cma.j.issn.0376-2491.2016.31.015
National Medical Journal of China, Volume 96, Issue 31,2016, Pages 2458-2461, doi:10.3760/cma.j.issn.0376-2491.2016.31.004
National Medical Journal of China, Volume 96, Issue 31,2016, Pages 2462-2465, doi:10.3760/cma.j.issn.0376-2491.2016.31.005