National Medical Journal of China, Volume 96, Issue 11,2016, Pages 897-900, doi:10.3760/cma.j.issn.0376-2491.2016.11.015
National Medical Journal of China, Volume 96, Issue 11,2016, Pages 868-873, doi:10.3760/cma.j.issn.0376-2491.2016.11.009
National Medical Journal of China, Volume 96, Issue 11,2016, Pages 863-867, doi:10.3760/cma.j.issn.0376-2491.2016.11.008
National Medical Journal of China, Volume 96, Issue 11,2016, Pages 910-912, doi:10.3760/cma.j.issn.0376-2491.2016.11.019
National Medical Journal of China, Volume 96, Issue 11,2016, Pages 901-903, doi:10.3760/cma.j.issn.0376-2491.2016.11.016