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Magnuson MA, Andreone TL, Printz RL, Koch S, Granner DK.Magnuson MA, et al. Among authors: andreone tl.Proc Natl Acad Sci U S A. 1989 Jul;86(13):4838-42. doi: 10.1073/pnas.86.13.4838.Proc Natl Acad Sci U S A. 1989.PMID: 2662183Free PMC article.