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Walling CA, Nussey DH, Morris A, Clutton-Brock TH, Kruuk LE, Pemberton JM.Walling CA, et al. Among authors: nussey dh.BMC Evol Biol. 2011 Oct 31;11:318. doi: 10.1186/1471-2148-11-318.BMC Evol Biol. 2011.PMID: 22039837Free PMC article.