title: Sex and aggression: competitive mating strategy in the male rat.
mesh_terms: D000374:Aggression / Q000502:physiology; D000818:Animals; D003163:Competitive Behavior; D003307:Copulation / Q000502:physiology; D006801:Humans; D008297:Male; D051381:Rats; D012726:Sexual Behavior, Animal / Q000502:physiology; D012930:Social Dominance