Chinese Journal of Medical Education, Volume 39, Issue 8,2019, Pages 630-634, doi:10.3760/cma.j.issn.1673-677X.2019.08.016
Chinese Journal of Medical Education, Volume 39, Issue 8,2019, Pages 574-580, doi:10.3760/cma.j.issn.1673-677X.2019.08.004
Chinese Journal of Medical Education, Volume 39, Issue 8,2019, Pages 590-593, doi:10.3760/cma.j.issn.1673-677X.2019.08.007
Chinese Journal of Medical Education, Volume 39, Issue 8,2019, Pages 581-585, doi:10.3760/cma.j.issn.1673-677X.2019.08.005
Chinese Journal of Medical Education, Volume 39, Issue 8,2019, Pages 566-569, doi:10.3760/cma.j.issn.1673-677X.2019.08.002