National Medical Journal of China, Volume 98, Issue 39,2018, Pages 3219-3221, doi:10.3760/cma.j.issn.0376-2491.2018.39.021
National Medical Journal of China, Volume 98, Issue 39,2018, Pages 3212-3214, doi:10.3760/cma.j.issn.0376-2491.2018.39.018
National Medical Journal of China, Volume 98, Issue 39,2018, Pages 3208-3211, doi:10.3760/cma.j.issn.0376-2491.2018.39.017
National Medical Journal of China, Volume 98, Issue 39,2018, Pages 3200-3204, doi:10.3760/cma.j.issn.0376-2491.2018.39.015
National Medical Journal of China, Volume 98, Issue 39,2018, Pages 3215, doi:10.3760/cma.j.issn.0376-2491.2018.39.019