National Medical Journal of China, , Issue 45,2014, Pages 3614-3614, doi:10.3760/j.issn.0376-2491.2014.45.024
National Medical Journal of China, , Issue 45,2014, Pages 3578-3578, doi:10.3760/j.issn.0376-2491.2014.45.012
National Medical Journal of China, , Issue 45,2014, Pages 3571-3574, doi:10.3760/cma.j.issn.0376-2491.2014.45.009
National Medical Journal of China, , Issue 45,2014, Pages 3608-3610, doi:10.3760/cma.j.issn.0376-2491.2014.45.020
National Medical Journal of China, , Issue 45,2014, Pages 3611-3614, doi:10.3760/cma.j.issn.0376-2491.2014.45.021