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Stalmeier PF, van Tol-Geerdink JJ, van Lin EN, Schimmel E, Huizenga H, van Daal WA, Leer JW.Stalmeier PF, et al.Ned Tijdschr Geneeskd. 2009 Mar 28;153(13):600-6.Ned Tijdschr Geneeskd. 2009.PMID: 19408536Clinical Trial.Dutch.No abstract available.