National Medical Journal of China, Volume 95, Issue 14,2015, Pages 1113-1115, doi:10.3760/cma.j.issn.0376-2491.2015.14.018
National Medical Journal of China, Volume 95, Issue 14,2015, Pages 1078-1082, doi:10.3760/cma.j.issn.0376-2491.2015.14.010
National Medical Journal of China, Volume 95, Issue 14,2015, Pages 1083-1087, doi:10.3760/cma.j.issn.0376-2491.2015.14.011
National Medical Journal of China, Volume 95, Issue 14,2015, Pages 1056-1060, doi:10.3760/cma.j.issn.0376-2491.2015.14.005
National Medical Journal of China, Volume 95, Issue 14,2015, Pages 1044-1048, doi:10.3760/cma.j.issn.0376-2491.2015.14.002