title: Effects of pentazocine and nalorphine of motility in chronically morphine treated rats: a potential substitution test to detect the narcotic character of a drug.
mesh_terms: D000818:Animals; D004353:Drug Evaluation, Preclinical; D008297:Male; D008691:Methadone / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology*; D009043:Motor Activity / Q000187:drug effects*; D009269:Nalorphine / Q000494:pharmacology*; D009294:Narcotics; D010423:Pentazocine / Q000494:pharmacology*; D051381:Rats; D013997:Time Factors
chemical_list: D009294:Narcotics; D009020:Morphine; D010423:Pentazocine; D009269:Nalorphine; D008691:Methadone