National Medical Journal of China, Volume 101, Issue 1,2021, Pages 57-61, doi:10.3760/cma.j.cn112137-20200509-01470
National Medical Journal of China, Volume 101, Issue 1,2021, Pages 1-6, doi:10.3760/cma.j.cn112137-20201211-03336
National Medical Journal of China, Volume 101, Issue 1,2021, Pages 75-76, doi:10.3760/cma.j.cn112137-20200405-01085
National Medical Journal of China, Volume 101, Issue 1,2021, Pages 62-67, doi:10.3760/cma.j.cn112137-20200405-01088
National Medical Journal of China, Volume 101, Issue 1,2021, Pages 73-74, doi:10.3760/cma.j.cn112137-20200405-01086