National Medical Journal of China, Volume 97, Issue 30,2017, Pages 2349-2352, doi:10.3760/cma.j.issn.0376-2491.2017.30.007
National Medical Journal of China, Volume 97, Issue 30,2017, Pages 2362-2365, doi:10.3760/cma.j.issn.0376-2491.2017.30.010
National Medical Journal of China, Volume 97, Issue 30,2017, Pages 2357-2361, doi:10.3760/cma.j.issn.0376-2491.2017.30.009
National Medical Journal of China, Volume 97, Issue 30,2017, Pages 2398-2400, doi:10.3760/cma.j.issn.0376-2491.2017.30.019
National Medical Journal of China, Volume 97, Issue 30,2017, Pages 2379-2383, doi:10.3760/cma.j.issn.0376-2491.2017.30.013