National Medical Journal of China, Volume 96, Issue 39,2016, Pages 3129-3132, doi:10.3760/cma.j.issn.0376-2491.2016.39.003
National Medical Journal of China, Volume 96, Issue 39,2016, Pages 3142-3145, doi:10.3760/cma.j.issn.0376-2491.2016.39.006
National Medical Journal of China, Volume 96, Issue 39,2016, Pages 3151-3155, doi:10.3760/cma.j.issn.0376-2491.2016.39.008
National Medical Journal of China, Volume 96, Issue 39,2016, Pages 3121-3124, doi:10.3760/cma.j.issn.0376-2491.2016.39.001
National Medical Journal of China, Volume 96, Issue 39,2016, Pages 3137-3141, doi:10.3760/cma.j.issn.0376-2491.2016.39.005