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van Steenkiste B, van der Weijden T, Stoffers HE, Grol R.van Steenkiste B, et al. Among authors: grol r.Scand J Prim Health Care. 2004 Mar;22(1):32-7. doi: 10.1080/02813430310004489.Scand J Prim Health Care. 2004.PMID: 15119518Free article.
van Steenkiste B, Grol R, van der Weijden T.van Steenkiste B, et al. Among authors: grol r.Vasc Health Risk Manag. 2008;4(3):535-45. doi: 10.2147/vhrm.s329.Vasc Health Risk Manag. 2008.PMID: 18827904Free PMC article.Review.