National Medical Journal of China, Volume 96, Issue 25,2016, Pages 1965-1970, doi:10.3760/cma.j.issn.0376-2491.2016.25.002
National Medical Journal of China, Volume 96, Issue 25,2016, Pages 2002-2005, doi:10.3760/cma.j.issn.0376-2491.2016.25.009
National Medical Journal of China, Volume 96, Issue 25,2016, Pages 2023-2030, doi:10.3760/cma.j.issn.0376-2491.2016.25.014
National Medical Journal of China, Volume 96, Issue 25,2016, Pages 2017-2022, doi:10.3760/cma.j.issn.0376-2491.2016.25.013