National Medical Journal of China, Volume 95, Issue 17,2015, Pages 1350-1353, doi:10.3760/cma.j.issn.0376-2491.2015.17.019
National Medical Journal of China, Volume 95, Issue 17,2015, Pages 1358-1360, doi:10.3760/cma.j.issn.0376-2491.2015.17.021
National Medical Journal of China, Volume 95, Issue 17,2015, Pages 1290-1294, doi:10.3760/cma.j.issn.0376-2491.2015.17.003
National Medical Journal of China, Volume 95, Issue 17,2015, Pages 1284,1289,1294,1299,1304,1313,1318,1327,
National Medical Journal of China, Volume 95, Issue 17,2015, Pages 1305-1309, doi:10.3760/cma.j.issn.0376-2491.2015.17.006