National Medical Journal of China, Volume 94, Issue 3,2014, Pages 240, doi:10.3760/cma.j.issn.0376-2491.2014.03.024
National Medical Journal of China, Volume 94, Issue 3,2014, Pages 227-231, doi:10.3760/cma.j.issn.0376-2491.2014.03.020
National Medical Journal of China, Volume 94, Issue 3,2014, Pages 167-170, doi:10.3760/cma.j.issn.0376-2491.2014.03.003
National Medical Journal of China, Volume 94, Issue 3,2014, Pages 208-211, doi:10.3760/cma.j.issn.0376-2491.2014.03.014
National Medical Journal of China, Volume 94, Issue 3,2014, Pages 161-162, doi:10.3760/cma.j.issn.0376-2491.2014.03.001