title: Security through co-operation.
authors.affiliation: MRC Mechanisms in Immunopathology, MRC Centre, Cambridge, UK.
authors.forename: N C
authors.initials: NC
authors.lastname: Hughes Jones
mesh_terms: D000374:Aggression; D001290:Attitude; D005008:Ethnopsychology; D006126:Group Processes; D007391:International Cooperation; D014857:Warfare