National Medical Journal of China, Volume 96, Issue 23,2016, Pages 1871-1875, doi:10.3760/cma.j.issn.0376-2491.2016.23.019
National Medical Journal of China, Volume 96, Issue 23,2016, Pages 1847-1849, doi:10.3760/cma.j.issn.0376-2491.2016.23.013
National Medical Journal of China, Volume 96, Issue 23,2016, Pages 1856-1858, doi:10.3760/cma.j.issn.0376-2491.2016.23.016
National Medical Journal of China, Volume 96, Issue 23,2016, Pages 1811-1814, doi:10.3760/cma.j.issn.0376-2491.2016.23.004
National Medical Journal of China, Volume 96, Issue 23,2016, Pages 1830-1833, doi:10.3760/cma.j.issn.0376-2491.2016.23.009