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Higgins JA, Jackman MR, Brown IL, Johnson GC, Steig A, Wyatt HR, Hill JO, Maclean PS.Higgins JA, et al.Nutr Metab (Lond). 2011 Jul 7;8:49. doi: 10.1186/1743-7075-8-49.Nutr Metab (Lond). 2011.PMID: 21736742Free PMC article.