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Verhees CH, Kengen SW, Tuininga JE, Schut GJ, Adams MW, De Vos WM, Van Der Oost J.Verhees CH, et al.Biochem J. 2003 Oct 15;375(Pt 2):231-46. doi: 10.1042/BJ20021472.Biochem J. 2003.PMID: 12921536Free PMC article.Review.