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Stanton L, Davis E, Johnson S, Gilbert A, Benson-Amram S.Stanton L, et al.Anim Cogn. 2017 Nov;20(6):1147-1152. doi: 10.1007/s10071-017-1129-z. Epub 2017 Sep 29.Anim Cogn. 2017.PMID: 28963599