National Medical Journal of China, Volume 94, Issue 13,2014, Pages 965-968, doi:10.3760/cma.j.issn.0376-2491.2014.13.003
National Medical Journal of China, Volume 94, Issue 13,2014, Pages 1010-1013, doi:10.3760/cma.j.issn.0376-2491.2014.13.014
National Medical Journal of China, Volume 94, Issue 13,2014, Pages 1006-1009, doi:10.3760/cma.j.issn.0376-2491.2014.13.013
National Medical Journal of China, Volume 94, Issue 13,2014, Pages 1038-1040, doi:10.3760/cma.j.issn.0376-2491.2014.13.022