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van der Weijden T, van Bokhoven MA, Dinant GJ, van Hasselt CM, Grol RP.van der Weijden T, et al. Among authors: dinant gj.Br J Gen Pract. 2002 Dec;52(485):974-80.Br J Gen Pract. 2002.PMID: 12528582Free PMC article.