National Medical Journal of China, Volume 98, Issue 42,2018, Pages 3396-3400, doi:10.3760/cma.j.issn.0376-2491.2018.42.004
National Medical Journal of China, Volume 98, Issue 42,2018, Pages 3442-3446, doi:10.3760/cma.j.issn.0376-2491.2018.42.013
National Medical Journal of China, Volume 98, Issue 42,2018, Pages 3385-3387, doi:10.3760/cma.j.issn.0376-2491.2018.42.001
National Medical Journal of China, Volume 98, Issue 42,2018, Pages 3401-3405, doi:10.3760/cma.j.issn.0376-2491.2018.42.005
National Medical Journal of China, Volume 98, Issue 42,2018, Pages 3459-3461, doi:10.3760/cma.j.issn.0376-2491.2018.42.017