National Medical Journal of China, Volume 98, Issue 34,2018, Pages 2754-2759, doi:10.3760/cma.j.issn.0376-2491.2018.34.015
National Medical Journal of China, Volume 98, Issue 34,2018, Pages 2743-2748, doi:10.3760/cma.j.issn.0376-2491.2018.34.013
National Medical Journal of China, Volume 98, Issue 34,2018, Pages 2768-2769, doi:10.3760/cma.j.issn.0376-2491.2018.34.018
National Medical Journal of China, Volume 98, Issue 34,2018, Pages 2706-2708, doi:10.3760/cma.j.issn.0376-2491.2018.34.004
National Medical Journal of China, Volume 98, Issue 34,2018, Pages 2709-2711, doi:10.3760/cma.j.issn.0376-2491.2018.34.005