National Medical Journal of China, Volume 96, Issue 27,2016, Pages 2182-2186, doi:10.3760/cma.j.issn.0376-2491.2016.27.016
National Medical Journal of China, Volume 96, Issue 27,2016, Pages 2155-2160, doi:10.3760/cma.j.issn.0376-2491.2016.27.009
National Medical Journal of China, Volume 96, Issue 27,2016, Pages 2196-2197, doi:10.3760/cma.j.issn.0376-2491.2016.27.019
National Medical Journal of China, Volume 96, Issue 27,2016, Pages 2169-2172, doi:10.3760/cma.j.issn.0376-2491.2016.27.012
National Medical Journal of China, Volume 96, Issue 27,2016, Pages 2134-2137, doi:10.3760/cma.j.issn.0376-2491.2016.27.004