title: Persistence of chronic morphine effects upon activity in rats 8 months after ceasing the treatment.
mesh_terms: D000818:Animals; D003864:Depression, Chemical; D006801:Humans; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D009021:Morphine Dependence / Q000503:physiopathology; D009043:Motor Activity / Q000187:drug effects*; D051381:Rats; D013268:Stimulation, Chemical; D013375:Substance Withdrawal Syndrome / Q000503:physiopathology; D013997:Time Factors
chemical_list: D009020:Morphine