National Medical Journal of China, Volume 97, Issue 23,2017, Pages 1769-1772, doi:10.3760/cma.j.issn.0376-2491.2017.23.003
National Medical Journal of China, Volume 97, Issue 23,2017, Pages 1765-1768, doi:10.3760/cma.j.issn.0376-2491.2017.23.002
National Medical Journal of China, Volume 97, Issue 23,2017, Pages 1790-1795, doi:10.3760/cma.j.issn.0376-2491.2017.23.007
National Medical Journal of China, Volume 97, Issue 23,2017, Pages 1805-1808, doi:10.3760/cma.j.issn.0376-2491.2017.23.010
National Medical Journal of China, Volume 97, Issue 23,2017, Pages 1801-1804, doi:10.3760/cma.j.issn.0376-2491.2017.23.009