National Medical Journal of China, Volume 97, Issue 24,2017, Pages 1857-1861, doi:10.3760/cma.j.issn.0376-2491.2017.24.003
National Medical Journal of China, Volume 97, Issue 24,2017, Pages 1888-1892, doi:10.3760/cma.j.issn.0376-2491.2017.24.010
National Medical Journal of China, Volume 97, Issue 24,2017, Pages 1905-1906, doi:10.3760/cma.j.issn.0376-2491.2017.24.014
National Medical Journal of China, Volume 97, Issue 24,2017, Pages 1893-1898, doi:10.3760/cma.j.issn.0376-2491.2017.24.011
National Medical Journal of China, Volume 97, Issue 24,2017, Pages 1907-1909, doi:10.3760/cma.j.issn.0376-2491.2017.24.015