National Medical Journal of China, Volume 95, Issue 40,2015, Pages 3289-3292, doi:10.3760/cma.j.issn.0376-2491.2015.40.012
National Medical Journal of China, Volume 95, Issue 40,2015, Pages 3285-3288, doi:10.3760/cma.j.issn.0376-2491.2015.40.011
National Medical Journal of China, Volume 95, Issue 40,2015, Pages 3308-3312, doi:10.3760/cma.j.issn.0376-2491.2015.40.017
National Medical Journal of China, Volume 95, Issue 40,2015, Pages 3256-3258, doi:10.3760/cma.j.issn.0376-2491.2015.40.004
National Medical Journal of China, Volume 95, Issue 40,2015, Pages 3313-3316, doi:10.3760/cma.j.issn.0376-2491.2015.40.018