Chinese Journal of Medical Education, Volume 40, Issue 3,2020, Pages 229-233, doi:10.3760/cma.j.issn.1673-677X.2020.03.017
Chinese Journal of Medical Education, Volume 40, Issue 3,2020, Pages 214-216, doi:10.3760/cma.j.issn.1673-677X.2020.03.013
Chinese Journal of Medical Education, Volume 40, Issue 3,2020, Pages 221-224, doi:10.3760/cma.j.issn.1673-677X.2020.03.015
Chinese Journal of Medical Education, Volume 40, Issue 3,2020, Pages 192-195, doi:10.3760/cma.j.issn.1673-677X.2020.03.008
Chinese Journal of Medical Education, Volume 40, Issue 3,2020, Pages 201-204, doi:10.3760/cma.j.issn.1673-677X.2020.03.010