Chinese Journal of Medical Education, Volume 41, Issue 6,2021, Pages 533-536, doi:10.3760/cma.j.cn115259-20200922-01374
Chinese Journal of Medical Education, Volume 41, Issue 6,2021, Pages 523-527, doi:10.3760/cma.j.cn115259-20201123-01612
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Chinese Journal of Medical Education, Volume 41, Issue 6,2021, Pages 567-571, doi:10.3760/cma.j.cn115259-20201002-01422
Chinese Journal of Medical Education, Volume 41, Issue 6,2021, Pages 563-566, doi:10.3760/cma.j.cn115259-20210113-00064