National Medical Journal of China, Volume 101, Issue 41,2021, Pages 3386-3392, doi:10.3760/cma.j.cn112137-20210505-01057
National Medical Journal of China, Volume 101, Issue 41,2021, Pages 3411-3416, doi:10.3760/cma.j.cn112137-20210328-00756
National Medical Journal of China, Volume 101, Issue 41,2021, Pages 3433-3437, doi:10.3760/cma.j.cn112137-20210407-00836
National Medical Journal of China, Volume 101, Issue 41,2021, Pages 3438-3442, doi:10.3760/cma.j.cn112137-20210424-00976-1
National Medical Journal of China, Volume 101, Issue 41,2021, Pages 3393-3398, doi:10.3760/cma.j.cn112137-20210418-00927