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Bergström JH, Birchenough GM, Katona G, Schroeder BO, Schütte A, Ermund A, Johansson ME, Hansson GC.Bergström JH, et al. Among authors: birchenough gm.Proc Natl Acad Sci U S A. 2016 Nov 29;113(48):13833-13838. doi: 10.1073/pnas.1611400113. Epub 2016 Nov 14.Proc Natl Acad Sci U S A. 2016.PMID: 27849619Free PMC article.