National Medical Journal of China, Volume 96, Issue 28,2016, Pages 2234-2237, doi:10.3760/cma.j.issn.0376-2491.2016.28.007
National Medical Journal of China, Volume 96, Issue 28,2016, Pages 2214-2219, doi:10.3760/cma.j.issn.0376-2491.2016.28.003
National Medical Journal of China, Volume 96, Issue 28,2016, Pages 2220-2223, doi:10.3760/cma.j.issn.0376-2491.2016.28.004
National Medical Journal of China, Volume 96, Issue 28,2016, Pages 2277-2280, doi:10.3760/cma.j.issn.0376-2491.2016.28.019
National Medical Journal of China, Volume 96, Issue 28,2016, Pages 2212-2213, doi:10.3760/cma.j.issn.0376-2491.2016.28.002