Chinese Journal of Medical Education, Volume 33, Issue 4,2013, Pages 512-514, doi:10.3760/cma.j.issn.1673-677X.2013.04.012
Chinese Journal of Medical Education, Volume 33, Issue 4,2013, Pages 518-521, doi:10.3760/cma.j.issn.1673-677X.2013.04.014
Chinese Journal of Medical Education, Volume 33, Issue 4,2013, Pages 617-620, doi:10.3760/cma.j.issn.1673-677X.2013.04.048
Chinese Journal of Medical Education, Volume 33, Issue 4,2013, Pages 485-487, doi:10.3760/cma.j.issn.1673-677X.2013.04.002
Chinese Journal of Medical Education, Volume 33, Issue 4,2013, Pages 555-557, doi:10.3760/cma.j.issn.1673-677X.2013.04.027