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McLeish M, Sacristán S, Fraile A, García-Arenal F.McLeish M, et al. Among authors: sacristan s.Proc Biol Sci. 2017 Dec 20;284(1869):20172066. doi: 10.1098/rspb.2017.2066.Proc Biol Sci. 2017.PMID: 29263286Free PMC article.