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Hinneburg J, Lühnen J, Steckelberg A, Berger-Höger B.Hinneburg J, et al.BMC Med Educ. 2020 Mar 18;20(1):77. doi: 10.1186/s12909-020-1966-3.BMC Med Educ. 2020.PMID: 32183798Free PMC article.