National Medical Journal of China, , Issue 31,2014, Pages 2426-2428, doi:10.3760/cma.j.issn.0376-2491.2014.31.008
National Medical Journal of China, , Issue 31,2014, Pages 2434-2437, doi:10.3760/cma.j.issn.0376-2491.2014.31.010
National Medical Journal of China, , Issue 31,2014, Pages 2473-2473, doi:10.3760/j.issn.0376-2491.2014.31.032
National Medical Journal of China, , Issue 31,2014, Pages 2464-2467, doi:10.3760/cma.j.issn.0376-2491.2014.31.018
National Medical Journal of China, , Issue 31,2014, Pages 2460-2463, doi:10.3760/cma.j.issn.0376-2491.2014.31.017