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Swift F, Franzini-Armstrong C, Øyehaug L, Enger UH, Andersson KB, Christensen G, Sejersted OM, Louch WE.Swift F, et al. Among authors: oyehaug l.Proc Natl Acad Sci U S A. 2012 Mar 6;109(10):3997-4001. doi: 10.1073/pnas.1120172109. Epub 2012 Feb 21.Proc Natl Acad Sci U S A. 2012.PMID: 22355118Free PMC article.