National Medical Journal of China, Volume 98, Issue 1,2018, Pages 3-4, doi:10.3760/cma.j.issn.0376-2491.2018.01.002
National Medical Journal of China, Volume 98, Issue 1,2018, Pages 67-68, doi:10.3760/cma.j.issn.0376-2491.2018.01.016
National Medical Journal of China, Volume 98, Issue 1,2018, Pages 63-64, doi:10.3760/cma.j.issn.0376-2491.2018.01.014
National Medical Journal of China, Volume 98, Issue 1,2018, Pages 42-45, doi:10.3760/cma.j.issn.0376-2491.2018.01.009
National Medical Journal of China, Volume 98, Issue 1,2018, Pages 46-50, doi:10.3760/cma.j.issn.0376-2491.2018.01.010