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Ramakrishnan U, Frith-Terhune A, Cogswell M, Kettel Khan L.Ramakrishnan U, et al. Among authors: kettel khan l.J Nutr. 2002 May;132(5):996-1001. doi: 10.1093/jn/132.5.996.J Nutr. 2002.PMID: 11983827