Contribution of social factors to opiate-induced activation in the mouse.
D000704:Analysis of Variance; D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D008297:Male; D051379:Mice; D009020:Morphine / Q000494:pharmacology*; D009043:Motor Activity / Q000187:drug effects; D012932:Social Facilitation
D009020:Morphine