National Medical Journal of China, , Issue 36,2014, Pages 2800-2800, doi:10.3760/j.issn.0376-2491.2014.36.001
National Medical Journal of China, , Issue 36,2014, Pages 2847-2851, doi:10.3760/cma.j.issn.0376-2491.2014.36.012
National Medical Journal of China, , Issue 36,2014, Pages 2852-2856, doi:10.3760/cma.j.issn.0376-2491.2014.36.013
National Medical Journal of China, , Issue 36,2014, Pages 2828-2832, doi:10.3760/cma.j.issn.0376-2491.2014.36.007
National Medical Journal of China, , Issue 36,2014, Pages 2808-2811, doi:10.3760/cma.j.issn.0376-2491.2014.36.003