National Medical Journal of China, Volume 96, Issue 15,2016, Pages 1220-1222, doi:10.3760/cma.j.issn.0376-2491.2016.15.017
National Medical Journal of China, Volume 96, Issue 15,2016, Pages 1227-1229, doi:10.3760/cma.j.issn.0376-2491.2016.15.019
National Medical Journal of China, Volume 96, Issue 15,2016, Pages 1155-1159, doi:10.3760/cma.j.issn.0376-2491.2016.15.002
National Medical Journal of China, Volume 96, Issue 15,2016, Pages 1178-1182, doi:10.3760/cma.j.issn.0376-2491.2016.15.007
National Medical Journal of China, Volume 96, Issue 15,2016, Pages 1223-1226, doi:10.3760/cma.j.issn.0376-2491.2016.15.018