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Brooks RC, Garratt MG.Brooks RC, et al.Ann N Y Acad Sci. 2017 Feb;1389(1):92-107. doi: 10.1111/nyas.13302. Epub 2016 Dec 23.Ann N Y Acad Sci. 2017.PMID: 28009055Free article.Review.
Lee KP, Simpson SJ, Clissold FJ, Brooks R, Ballard JW, Taylor PW, Soran N, Raubenheimer D.Lee KP, et al.Proc Natl Acad Sci U S A. 2008 Feb 19;105(7):2498-503. doi: 10.1073/pnas.0710787105. Epub 2008 Feb 11.Proc Natl Acad Sci U S A. 2008.PMID: 18268352Free PMC article.