National Medical Journal of China, Volume 98, Issue 47,2018, Pages 3864-3867, doi:10.3760/cma.j.issn.0376-2491.2018.47.010
National Medical Journal of China, Volume 98, Issue 47,2018, Pages 3883-3887, doi:10.3760/cma.j.issn.0376-2491.2018.47.014
National Medical Journal of China, Volume 98, Issue 47,2018, Pages 3825-3831, doi:10.3760/cma.j.issn.0376-2491.2018.47.004
National Medical Journal of China, Volume 98, Issue 47,2018, Pages 3907-3909, doi:10.3760/cma.j.issn.0376-2491.2018.47.020
National Medical Journal of China, Volume 98, Issue 47,2018, Pages 3848-3852, doi:10.3760/cma.j.issn.0376-2491.2018.47.007