National Medical Journal of China, Volume 101, Issue 39,2021, Pages 3187-3189, doi:10.3760/cma.j.cn112137-20210806-01758
National Medical Journal of China, Volume 101, Issue 39,2021, Pages 3227-3231, doi:10.3760/cma.j.cn112137-20210306-00573
National Medical Journal of China, Volume 101, Issue 39,2021, Pages 3237, doi:10.3760/cma.j.issn.0376-2491.2021.39.101
National Medical Journal of China, Volume 101, Issue 39,2021, Pages 3232-3237, doi:10.3760/cma.j.cn112137-20210208-00393
National Medical Journal of China, Volume 101, Issue 39,2021, Pages 3238-3243, doi:10.3760/cma.j.cn112137-20210504-01053