National Medical Journal of China, Volume 97, Issue 13,2017, Pages 991-995, doi:10.3760/cma.j.issn.0376-2491.2017.13.006
National Medical Journal of China, Volume 97, Issue 13,2017, Pages 982-985, doi:10.3760/cma.j.issn.0376-2491.2017.13.004
National Medical Journal of China, Volume 97, Issue 13,2017, Pages 976-981, doi:10.3760/cma.j.issn.0376-2491.2017.13.003
National Medical Journal of China, Volume 97, Issue 13,2017, Pages 964-975, doi:10.3760/cma.j.issn.0376-2491.2017.13.002
National Medical Journal of China, Volume 97, Issue 13,2017, Pages 1011-1014, doi:10.3760/cma.j.issn.0376-2491.2017.13.010