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Flint A, Raben A, Astrup A, Holst JJ.Flint A, et al. Among authors: holst jj.J Clin Invest. 1998 Feb 1;101(3):515-20. doi: 10.1172/JCI990.J Clin Invest. 1998.PMID: 9449682Free PMC article.Clinical Trial.