National Medical Journal of China, Volume 97, Issue 28,2017, Pages 2205-2207, doi:10.3760/cma.j.issn.0376-2491.2017.28.010
National Medical Journal of China, Volume 97, Issue 28,2017, Pages 2230-2233, doi:10.3760/cma.j.issn.0376-2491.2017.28.017
National Medical Journal of China, Volume 97, Issue 28,2017, Pages 2224-2226, doi:10.3760/cma.j.issn.0376-2491.2017.28.014
National Medical Journal of China, Volume 97, Issue 28,2017, Pages 2234-2236, doi:10.3760/cma.j.issn.0376-2491.2017.28.018
National Medical Journal of China, Volume 97, Issue 28,2017, Pages 2194-2197, doi:10.3760/cma.j.issn.0376-2491.2017.28.007