Chinese Journal of Medical Education, Volume 32, Issue 6,2012, Pages 872-874, doi:10.3760/cma.j.issn.1673-677X.2012.06.024
Chinese Journal of Medical Education, Volume 32, Issue 6,2012, Pages 887-889, doi:10.3760/cma.j.issn.1673-677X.2012.06.028
Chinese Journal of Medical Education, Volume 32, Issue 6,2012, Pages 946-948,951, doi:10.3760/cma.j.issn.1673-677X.2012.06.048
Chinese Journal of Medical Education, Volume 32, Issue 6,2012, Pages 858-859, doi:10.3760/cma.j.issn.1673-677X.2012.06.019