Chinese Journal of Medical Education, Volume 41, Issue 12,2021, Pages 1144-1148, doi:10.3760/cma.j.cn115259-20210607-00729
Chinese Journal of Medical Education, Volume 41, Issue 12,2021, Pages 1122-1125, doi:10.3760/cma.j.cn115259-20210610-00737
Chinese Journal of Medical Education, Volume 41, Issue 12,2021, Pages 1105-1109, doi:10.3760/cma.j.cn115259-20210730-00951
Chinese Journal of Medical Education, Volume 41, Issue 12,2021, Pages 1136-1139, doi:10.3760/cma.j.cn115259-20210531-00699
Chinese Journal of Medical Education, Volume 41, Issue 12,2021, Pages 1081-1085, doi:10.3760/cma.j.cn115259-20210406-00455