title: Changes in sensitivity of morphine-induced circling behaviour after chronic treatment and persistence after withdrawal in rats.
mesh_terms: D000818:Animals; D001835:Body Weight / Q000187:drug effects; D003342:Corpus Striatum / Q000503:physiopathology; D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D009043:Motor Activity / Q000187:drug effects*; D051381:Rats; D013375:Substance Withdrawal Syndrome / Q000503:physiopathology*; D013997:Time Factors
chemical_list: D009020:Morphine