National Medical Journal of China, Volume 98, Issue 45,2018, Pages 3722-3724, doi:10.3760/cma.j.issn.0376-2491.2018.45.019
National Medical Journal of China, Volume 98, Issue 45,2018, Pages 3659-3665, doi:10.3760/cma.j.issn.0376-2491.2018.45.006
National Medical Journal of China, Volume 98, Issue 45,2018, Pages 3719-3721, doi:10.3760/cma.j.issn.0376-2491.2018.45.018
National Medical Journal of China, Volume 98, Issue 45,2018, Pages 3635-3638, doi:10.3760/cma.j.issn.0376-2491.2018.45.002
National Medical Journal of China, Volume 98, Issue 45,2018, Pages 3725-3728, doi:10.3760/cma.j.issn.0376-2491.2018.45.020