National Medical Journal of China, Volume 98, Issue 30,2018, Pages 2418-2423, doi:10.3760/cma.j.issn.0376-2491.2018.30.010
National Medical Journal of China, Volume 98, Issue 30,2018, Pages 2455-2456, doi:10.3760/cma.j.issn.0376-2491.2018.30.018
National Medical Journal of China, Volume 98, Issue 30,2018, Pages 2452-2454, doi:10.3760/cma.j.issn.0376-2491.2018.30.017
National Medical Journal of China, Volume 98, Issue 30,2018, Pages 2414-2417, doi:10.3760/cma.j.issn.0376-2491.2018.30.009
National Medical Journal of China, Volume 98, Issue 30,2018, Pages 2424-2428, doi:10.3760/cma.j.issn.0376-2491.2018.30.011