National Medical Journal of China, Volume 94, Issue 27,2014, Pages 2110-2114, doi:10.3760/cma.j.issn.0376-2491.2014.27.008
National Medical Journal of China, Volume 94, Issue 27,2014, Pages 2139-2142, doi:10.3760/cma.j.issn.0376-2491.2014.27.016
National Medical Journal of China, Volume 94, Issue 27,2014, Pages 2090-2091, doi:10.3760/cma.j.issn.0376-2491.2014.27.003
National Medical Journal of China, Volume 94, Issue 27,2014, Pages 2106-2109, doi:10.3760/cma.j.issn.0376-2491.2014.27.007
National Medical Journal of China, Volume 94, Issue 27,2014, Pages 2129-2131, doi:10.3760/cma.j.issn.0376-2491.2014.27.013