National Medical Journal of China, Volume 96, Issue 18,2016, Pages 1459-1464, doi:10.3760/cma.j.issn.0376-2491.2016.18.015
National Medical Journal of China, Volume 96, Issue 18,2016, Pages 1441-1443, doi:10.3760/cma.j.issn.0376-2491.2016.18.011
National Medical Journal of China, Volume 96, Issue 18,2016, Pages 1470-1472, doi:10.3760/cma.j.issn.0376-2491.2016.18.017
National Medical Journal of China, Volume 96, Issue 18,2016, Pages 1435-1440, doi:10.3760/cma.j.issn.0376-2491.2016.18.010
National Medical Journal of China, Volume 96, Issue 18,2016, Pages 1454-1458, doi:10.3760/cma.j.issn.0376-2491.2016.18.014