Chinese Journal of Medical Education, Volume 39, Issue 4,2019, Pages 305-309, doi:10.3760/cma.j.issn.1673-677X.2019.04.016
Chinese Journal of Medical Education, Volume 39, Issue 4,2019, Pages 256-258, doi:10.3760/cma.j.issn.1673-677X.2019.04.004
Chinese Journal of Medical Education, Volume 39, Issue 4,2019, Pages 310-313, doi:10.3760/cma.j.issn.1673-677X.2019.04.017
Chinese Journal of Medical Education, Volume 39, Issue 4,2019, Pages 293-296, doi:10.3760/cma.j.issn.1673-677X.2019.04.013
Chinese Journal of Medical Education, Volume 39, Issue 4,2019, Pages 289-292, doi:10.3760/cma.j.issn.1673-677X.2019.04.012