National Medical Journal of China, Volume 98, Issue 36,2018, Pages 2889-2893, doi:10.3760/cma.j.issn.0376-2491.2018.36.003
National Medical Journal of China, Volume 98, Issue 36,2018, Pages 2925-2928, doi:10.3760/cma.j.issn.0376-2491.2018.36.010
National Medical Journal of China, Volume 98, Issue 36,2018, Pages 2942-2943, doi:10.3760/cma.j.issn.0376-2491.2018.36.014
National Medical Journal of China, Volume 98, Issue 36,2018, Pages 2945-2946, doi:10.3760/cma.j.issn.0376-2491.2018.36.016
National Medical Journal of China, Volume 98, Issue 36,2018, Pages 2914-2919, doi:10.3760/cma.j.issn.0376-2491.2018.36.008