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Elmquist JK, Ahima RS, Elias CF, Flier JS, Saper CB.Elmquist JK, et al.Proc Natl Acad Sci U S A. 1998 Jan 20;95(2):741-6. doi: 10.1073/pnas.95.2.741.Proc Natl Acad Sci U S A. 1998.PMID: 9435263Free PMC article.