National Medical Journal of China, Volume 98, Issue 43,2018, Pages 3545-3548, doi:10.3760/cma.j.issn.0376-2491.2018.43.017
National Medical Journal of China, Volume 98, Issue 43,2018, Pages 3467-3472, doi:10.3760/cma.j.issn.0376-2491.2018.43.002
National Medical Journal of China, Volume 98, Issue 43,2018, Pages 3496-3502, doi:10.3760/cma.j.issn.0376-2491.2018.43.007
National Medical Journal of China, Volume 98, Issue 43,2018, Pages 3536-3541, doi:10.3760/cma.j.issn.0376-2491.2018.43.015