National Medical Journal of China, Volume 96, Issue 32,2016, Pages 2548-2553, doi:10.3760/cma.j.issn.0376-2491.2016.32.007
National Medical Journal of China, Volume 96, Issue 32,2016, Pages 2559-2562, doi:10.3760/cma.j.issn.0376-2491.2016.32.009
National Medical Journal of China, Volume 96, Issue 32,2016, Pages 2588-2591, doi:10.3760/cma.j.issn.0376-2491.2016.32.015
National Medical Journal of China, Volume 96, Issue 32,2016, Pages 2602-2604, doi:10.3760/cma.j.issn.0376-2491.2016.32.019
National Medical Journal of China, Volume 96, Issue 32,2016, Pages 2583-2587, doi:10.3760/cma.j.issn.0376-2491.2016.32.014