National Medical Journal of China, Volume 94, Issue 33,2014, Pages 2622-2627, doi:10.3760/cma.j.issn.0376-2491.2014.33.018
National Medical Journal of China, Volume 94, Issue 33,2014, Pages 2636-2638, doi:10.3760/cma.j.issn.0376-2491.2014.33.021
National Medical Journal of China, Volume 94, Issue 33,2014, Pages 2573-2575, doi:10.3760/cma.j.issn.0376-2491.2014.33.005
National Medical Journal of China, Volume 94, Issue 33,2014, Pages 2639, doi:10.3760/cma.j.issn.0376-2491.2014.33.022
National Medical Journal of China, Volume 94, Issue 33,2014, Pages 2618-2621, doi:10.3760/cma.j.issn.0376-2491.2014.33.017