National Medical Journal of China, Volume 96, Issue 48,2016, Pages 3893-3897, doi:10.3760/cma.j.issn.0376-2491.2016.48.009
National Medical Journal of China, Volume 96, Issue 48,2016, Pages 3909-3911, doi:10.3760/cma.j.issn.0376-2491.2016.48.013
National Medical Journal of China, Volume 96, Issue 48,2016, Pages 3870-3874, doi:10.3760/cma.j.issn.0376-2491.2016.48.004
National Medical Journal of China, Volume 96, Issue 48,2016, Pages 3888-3892, doi:10.3760/cma.j.issn.0376-2491.2016.48.008
National Medical Journal of China, Volume 96, Issue 48,2016, Pages 3921-3924, doi:10.3760/cma.j.issn.0376-2491.2016.48.018