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Svensson-Coelho M, Ellis VA, Loiselle BA, Blake JG, Ricklefs RE.Svensson-Coelho M, et al. Among authors: blake jg.Am Nat. 2014 Nov;184(5):624-35. doi: 10.1086/678126. Epub 2014 Oct 1.Am Nat. 2014.PMID: 25325746
Fair JM, Ryder TB, Loiselle BA, Blake JG, Larson TE, Davis P, Syme J, Perkins GB, Heikoop JM.Fair JM, et al. Among authors: blake jg.Isotopes Environ Health Stud. 2013;49(3):420-35. doi: 10.1080/10256016.2013.784702. Epub 2013 Jun 20.Isotopes Environ Health Stud. 2013.PMID: 23781884