National Medical Journal of China, Volume 98, Issue 22,2018, Pages 1792-1796, doi:10.3760/cma.j.issn.0376-2491.2018.22.013
National Medical Journal of China, Volume 98, Issue 22,2018, Pages 1780-1785, doi:10.3760/cma.j.issn.0376-2491.2018.22.011
National Medical Journal of China, Volume 98, Issue 22,2018, Pages 1766-1770, doi:10.3760/cma.j.issn.0376-2491.2018.22.008
National Medical Journal of China, Volume 98, Issue 22,2018, Pages 1729-1730, doi:10.3760/cma.j.issn.0376-2491.2018.22.001
National Medical Journal of China, Volume 98, Issue 22,2018, Pages 1752-1760, doi:10.3760/cma.j.issn.0376-2491.2018.22.006