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Beijer S, van Rossum E, Hupperets PS, Spreeuwenberg C, van den Beuken M, Winkens RA, Ars L, van den Borne BE, de Graeff A, Dagnelie PC.Beijer S, et al. Among authors: dagnelie pc.BMC Public Health. 2007 Jan 8;7:4. doi: 10.1186/1471-2458-7-4.BMC Public Health. 2007.PMID: 17210069Free PMC article.