National Medical Journal of China, Volume 101, Issue 43,2021, Pages 3569-3574, doi:10.3760/cma.j.cn112137-20210407-00828
National Medical Journal of China, Volume 101, Issue 43,2021, Pages 3574, doi:10.3760/cma.j.issn.0376-2491.2021.43.102
National Medical Journal of China, Volume 101, Issue 43,2021, Pages 3587, doi:10.3760/cma.j.issn.0376-2491.2021.43.103
National Medical Journal of China, Volume 101, Issue 43,2021, Pages 3581-3587, doi:10.3760/cma.j.cn112137-20210513-01127
National Medical Journal of China, Volume 101, Issue 43,2021, Pages 3609-3612, doi:10.3760/cma.j.issn112137-20210510-01107