National Medical Journal of China, Volume 98, Issue 24,2018, Pages 1902-1914, doi:10.3760/cma.j.issn.0376-2491.2018.24.003
National Medical Journal of China, Volume 98, Issue 24,2018, Pages 1919-1922, doi:10.3760/cma.j.issn.0376-2491.2018.24.005
National Medical Journal of China, Volume 98, Issue 24,2018, Pages 1931-1936, doi:10.3760/cma.j.issn.0376-2491.2018.24.008
National Medical Journal of China, Volume 98, Issue 24,2018, Pages 1962-1964, doi:10.3760/cma.j.issn.0376-2491.2018.24.014
National Medical Journal of China, Volume 98, Issue 24,2018, Pages 1937-1940, doi:10.3760/cma.j.issn.0376-2491.2018.24.009