We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSelfish sentinels in cooperative mammals.AuthorsClutton-Brock TH; O'Riain MJ; Brotherton PN; Gaynor D; Kansky R; Griffin AS; Manser MPublicationScience (New York, N.Y.), 1999, Vol 284, Issue 5420, p1640ISSN0036-8075Publication typearticleDOI10.1126/science.284.5420.1640