National Medical Journal of China, Volume 97, Issue 29,2017, Pages 2253-2256, doi:10.3760/cma.j.issn.0376-2491.2017.29.004
National Medical Journal of China, Volume 97, Issue 29,2017, Pages 2241-2243, doi:10.3760/cma.j.issn.0376-2491.2017.29.001
National Medical Journal of China, Volume 97, Issue 29,2017, Pages 2317-2320, doi:10.3760/cma.j.issn.0376-2491.2017.29.020
National Medical Journal of China, Volume 97, Issue 29,2017, Pages 2261-2265, doi:10.3760/cma.j.issn.0376-2491.2017.29.006
National Medical Journal of China, Volume 97, Issue 29,2017, Pages 2293-2296, doi:10.3760/cma.j.issn.0376-2491.2017.29.013