National Medical Journal of China, Volume 95, Issue 42,2015, Pages 3407-3410, doi:10.3760/cma.j.issn.0376-2491.2015.42.003
National Medical Journal of China, Volume 95, Issue 42,2015, Pages 3461-3463, doi:10.3760/cma.j.issn.0376-2491.2015.42.016
National Medical Journal of China, Volume 95, Issue 42,2015, Pages 3468-3469, doi:10.3760/cma.j.issn.0376-2491.2015.42.018
National Medical Journal of China, Volume 95, Issue 42,2015, Pages 3449-3453, doi:10.3760/cma.j.issn.0376-2491.2015.42.013
National Medical Journal of China, Volume 95, Issue 42,2015, Pages 3464-3467, doi:10.3760/cma.j.issn.0376-2491.2015.42.017