National Medical Journal of China, Volume 94, Issue 15,2014, Pages 1176-1178, doi:10.3760/cma.j.issn.0376-2491.2014.15.015
National Medical Journal of China, Volume 94, Issue 15,2014, Pages 1184-1188, doi:10.3760/cma.j.issn.0376-2491.2014.15.017
National Medical Journal of China, Volume 94, Issue 15,2014, Pages 1121-1122, doi:10.3760/cma.j.issn.0376-2491.2014.15.001
National Medical Journal of China, Volume 94, Issue 15,2014, Pages 1143-1146, doi:10.3760/cma.j.issn.0376-2491.2014.15.007
National Medical Journal of China, Volume 94, Issue 15,2014, Pages 1199, doi:10.3760/cma.j.issn.0376-2491.2014.15.021