National Medical Journal of China, Volume 99, Issue 47,2019, Pages 3687-3693, doi:10.3760/cma.j.issn.0376-2491.2019.47.003
National Medical Journal of China, Volume 99, Issue 47,2019, Pages 3694-3698, doi:10.3760/cma.j.issn.0376-2491.2019.47.004
National Medical Journal of China, Volume 99, Issue 47,2019, Pages 3756-3760, doi:10.3760/cma.j.issn.0376-2491.2019.47.018
National Medical Journal of China, Volume 99, Issue 47,2019, Pages 3750-3751, doi:10.3760/cma.j.issn.0376-2491.2019.47.016
National Medical Journal of China, Volume 99, Issue 47,2019, Pages 3703-3709, doi:10.3760/cma.j.issn.0376-2491.2019.47.006