title: Experience modifies morphine-induced behavioral excitation of mice.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D004777:Environment; D005106:Exploratory Behavior / Q000187:drug effects*; D006801:Humans; D008124:Locomotion / Q000187:drug effects; D051379:Mice; D008810:Mice, Inbred C57BL; D008954:Models, Biological; D009020:Morphine / Q000494:pharmacology*; D009043:Motor Activity / Q000187:drug effects*; D012931:Social Environment; D019966:Substance-Related Disorders
chemical_list: D009020:Morphine