Competitive behavior between rats: some definition problems.
D000374:Aggression / Q000187:drug effects; D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D002188:Cannabis / Q000494:pharmacology; D003163:Competitive Behavior; D004291:Dominance-Subordination; D006801:Humans; D051381:Rats; D012107:Research Design