National Medical Journal of China, Volume 95, Issue 33,2015, Pages 2732-2734, doi:10.3760/cma.j.issn.0376-2491.2015.33.021
National Medical Journal of China, Volume 95, Issue 33,2015, Pages 2698-2700, doi:10.3760/cma.j.issn.0376-2491.2015.33.011
National Medical Journal of China, Volume 95, Issue 33,2015, Pages 2726-2727, doi:10.3760/cma.j.issn.0376-2491.2015.33.019
National Medical Journal of China, Volume 95, Issue 33,2015, Pages 2668-2672, doi:10.3760/cma.j.issn.0376-2491.2015.33.004
National Medical Journal of China, Volume 95, Issue 33,2015, Pages 2723-2724, doi:10.3760/cma.j.issn.0376-2491.2015.33.017