National Medical Journal of China, Volume 98, Issue 29,2018, Pages 2367-2369, doi:10.3760/cma.j.issn.0376-2491.2018.29.020
National Medical Journal of China, Volume 98, Issue 29,2018, Pages 2346-2348, doi:10.3760/cma.j.issn.0376-2491.2018.29.014
National Medical Journal of China, Volume 98, Issue 29,2018, Pages 2307-2310, doi:10.3760/cma.j.issn.0376-2491.2018.29.004
National Medical Journal of China, Volume 98, Issue 29,2018, Pages 2357-2359, doi:10.3760/cma.j.issn.0376-2491.2018.29.017
National Medical Journal of China, Volume 98, Issue 29,2018, Pages 2360-2362, doi:10.3760/cma.j.issn.0376-2491.2018.29.018