National Medical Journal of China, Volume 96, Issue 42,2016, Pages 3417-3419, doi:10.3760/cma.j.issn.0376-2491.2016.42.013
National Medical Journal of China, Volume 96, Issue 42,2016, Pages 3403-3407, doi:10.3760/cma.j.issn.0376-2491.2016.42.010
National Medical Journal of China, Volume 96, Issue 42,2016, Pages 3430-3433, doi:10.3760/cma.j.issn.0376-2491.2016.42.018
National Medical Journal of China, Volume 96, Issue 42,2016, Pages 3423-3426, doi:10.3760/cma.j.issn.0376-2491.2016.42.016
National Medical Journal of China, Volume 96, Issue 42,2016, Pages 3408-3411, doi:10.3760/cma.j.issn.0376-2491.2016.42.011