Chinese Journal of Medical Education, Volume 38, Issue 2,2018, Pages 295-298, doi:10.3760/cma.j.issn.1673-677X.2018.02.029
Chinese Journal of Medical Education, Volume 38, Issue 2,2018, Pages 261-264, doi:10.3760/cma.j.issn.1673-677X.2018.02.022
Chinese Journal of Medical Education, Volume 38, Issue 2,2018, Pages 257-260, doi:10.3760/cma.j.issn.1673-677X.2018.02.021
Chinese Journal of Medical Education, Volume 38, Issue 2,2018, Pages 291-294, doi:10.3760/cma.j.issn.1673-677X.2018.02.028
Chinese Journal of Medical Education, Volume 38, Issue 2,2018, Pages 272-275, doi:10.3760/cma.j.issn.1673-677X.2018.02.025