title: Altruism or cooperation in captive chimpanzees, Pan troglodytes?
authors.affiliation: Centre for Research in Evolutionary Anthropology, School of Human & Life Sciences, Roehampton University, Whiteland's College West Hill, London, UK. E.Bethell@roehampton.ac.uk
authors.forename: Emily J
authors.initials: EJ
authors.lastname: Bethell
authors.forename: Bridget M
authors.initials: BM
authors.lastname: Waller
mesh_terms: D000533:Altruism; D000818:Animals; D001522:Behavior, Animal; D003299:Cooperative Behavior; D005260:Female; D008297:Male; D002679:Pan troglodytes / Q000523:psychology*