National Medical Journal of China, Volume 98, Issue 48,2018, Pages 3941-3945, doi:10.3760/cma.j.issn.0376-2491.2018.48.007
National Medical Journal of China, Volume 98, Issue 48,2018, Pages 3917-3920, doi:10.3760/cma.j.issn.0376-2491.2018.48.002
National Medical Journal of China, Volume 98, Issue 48,2018, Pages 3979-3982, doi:10.3760/cma.j.issn.0376-2491.2018.48.016
National Medical Journal of China, Volume 98, Issue 48,2018, Pages 3973-3975, doi:10.3760/cma.j.issn.0376-2491.2018.48.014