National Medical Journal of China, Volume 95, Issue 47,2015, Pages 3818-3822, doi:10.3760/cma.j.issn.0376-2491.2015.47.005
National Medical Journal of China, Volume 95, Issue 47,2015, Pages 3829-3832, doi:10.3760/cma.j.issn.0376-2491.2015.47.007
National Medical Journal of China, Volume 95, Issue 47,2015, Pages 3859-3861, doi:10.3760/cma.j.issn.0376-2491.2015.47.014
National Medical Journal of China, Volume 95, Issue 47,2015, Pages 3803-3807, doi:10.3760/cma.j.issn.0376-2491.2015.47.002
National Medical Journal of China, Volume 95, Issue 47,2015, Pages 3852-3855, doi:10.3760/cma.j.issn.0376-2491.2015.47.012