National Medical Journal of China, , Issue 14,2014, Pages 1110-1112, doi:10.3760/cma.j.issn.0376-2491.2014.14.018
National Medical Journal of China, , Issue 14,2014, Pages 1117-1119, doi:10.3760/cma.j.issn.0376-2491.2014.14.020
National Medical Journal of China, , Issue 14,2014, Pages 1120-1120, doi:10.3760/cma.j.issn.0376-2491.2014.14.021
National Medical Journal of China, , Issue 14,2014, Pages 1097-1100, doi:10.3760/cma.j.issn.0376-2491.2014.14.014