National Medical Journal of China, Volume 97, Issue 41,2017, Pages 3225-3229, doi:10.3760/cma.j.issn.0376-2491.2017.41.006
National Medical Journal of China, Volume 97, Issue 41,2017, Pages 3201-3203, doi:10.3760/cma.j.issn.0376-2491.2017.41.001
National Medical Journal of China, Volume 97, Issue 41,2017, Pages 3244-3249, doi:10.3760/cma.j.issn.0376-2491.2017.41.010
National Medical Journal of China, Volume 97, Issue 41,2017, Pages 3269-3272, doi:10.3760/cma.j.issn.0376-2491.2017.41.015
National Medical Journal of China, Volume 97, Issue 41,2017, Pages 3239-3243, doi:10.3760/cma.j.issn.0376-2491.2017.41.009