title: Proceedings: Relationship between the morphine-induced spontaneous locomotor activity and the concentration of morphine in brain or in plasma of rats. 2.
mesh_terms: D000818:Animals; D001923:Brain Chemistry; D008124:Locomotion / Q000187:drug effects*; D009020:Morphine / Q000032:analysis* / Q000097:blood / Q000494:pharmacology; D051381:Rats
chemical_list: D009020:Morphine