Chinese Journal of Medical Education, Volume 39, Issue 12,2019, Pages 922-925, doi:10.3760/cma.j.issn.1673-677X.2019.12.007
Chinese Journal of Medical Education, Volume 39, Issue 12,2019, Pages 962-965, doi:10.3760/cma.j.issn.1673-677X.2019.12.017
Chinese Journal of Medical Education, Volume 39, Issue 12,2019, Pages 926-929, doi:10.3760/cma.j.issn.1673-677X.2019.12.008
Chinese Journal of Medical Education, Volume 39, Issue 12,2019, Pages 986-988, doi:10.3760/cma.j.issn.1673-677X.2019.12.023
Chinese Journal of Medical Education, Volume 39, Issue 12,2019, Pages 930-933, doi:10.3760/cma.j.issn.1673-677X.2019.12.009