National Medical Journal of China, Volume 97, Issue 8,2017, Pages 629-631, doi:10.3760/cma.j.issn.0376-2491.2017.08.015
National Medical Journal of China, Volume 97, Issue 8,2017, Pages 592-597, doi:10.3760/cma.j.issn.0376-2491.2017.08.007
National Medical Journal of China, Volume 97, Issue 8,2017, Pages 577-580, doi:10.3760/cma.j.issn.0376-2491.2017.08.004
National Medical Journal of China, Volume 97, Issue 8,2017, Pages 626-628, doi:10.3760/cma.j.issn.0376-2491.2017.08.014
National Medical Journal of China, Volume 97, Issue 8,2017, Pages 568,586,591,597,607,615,621,625,628,638,