National Medical Journal of China, Volume 95, Issue 27,2015, Pages 2224-2226, doi:10.3760/cma.j.issn.0376-2491.2015.27.026
National Medical Journal of China, Volume 95, Issue 27,2015, Pages 2183-2185, doi:10.3760/cma.j.issn.0376-2491.2015.27.016
National Medical Journal of China, Volume 95, Issue 27,2015, Pages 2202-2204, doi:10.3760/cma.j.issn.0376-2491.2015.27.021
National Medical Journal of China, Volume 95, Issue 27,2015, Pages 2219-2223, doi:10.3760/cma.j.issn.0376-2491.2015.27.025
National Medical Journal of China, Volume 95, Issue 27,2015, Pages 2140-2142, doi:10.3760/cma.j.issn.0376-2491.2015.27.004