National Medical Journal of China, Volume 98, Issue 32,2018, Pages 2544-2551, doi:10.3760/cma.j.issn.0376-2491.2018.32.003
National Medical Journal of China, Volume 98, Issue 32,2018, Pages 2591-2596, doi:10.3760/cma.j.issn.0376-2491.2018.32.012
National Medical Journal of China, Volume 98, Issue 32,2018, Pages 2609-2611, doi:10.3760/cma.j.issn.0376-2491.2018.32.017
National Medical Journal of China, Volume 98, Issue 32,2018, Pages 2579-2582, doi:10.3760/cma.j.issn.0376-2491.2018.32.009
National Medical Journal of China, Volume 98, Issue 32,2018, Pages 2537-2540, doi:10.3760/cma.j.issn.0376-2491.2018.32.001