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van Dam M, Noben C, Higgins M.van Dam M, et al.Med Teach. 2017 Nov;39(11):1195-1196. doi: 10.1080/0142159X.2017.1288865. Epub 2017 Feb 16.Med Teach. 2017.PMID: 28635553
Noben CY, Evers SM, Nijhuis FJ, de Rijk AE.Noben CY, et al.BMC Public Health. 2014 Feb 4;14:115. doi: 10.1186/1471-2458-14-115.BMC Public Health. 2014.PMID: 24495301Free PMC article.Review.