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Altin SV, Tebest R, Kautz-Freimuth S, Redaelli M, Stock S.Altin SV, et al. Among authors: tebest r.BMC Med Educ. 2014 Oct 21;14:227. doi: 10.1186/1472-6920-14-227.BMC Med Educ. 2014.PMID: 25335560Free PMC article.