title: Acute effects of narcotic analgesics on behavioral arousal in the rat.
mesh_terms: D000700:Analgesics / Q000008:administration & dosage / Q000494:pharmacology*; D000818:Animals; D001143:Arousal / Q000187:drug effects*; D004305:Dose-Response Relationship, Drug; D007981:Levorphanol / Q000494:pharmacology; D008124:Locomotion / Q000187:drug effects; D008297:Male; D008614:Meperidine / Q000494:pharmacology; D008691:Methadone / Q000494:pharmacology; D008781:Methyltyrosines / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology; D009294:Narcotics / Q000008:administration & dosage / Q000494:pharmacology*; D010423:Pentazocine / Q000494:pharmacology; D051381:Rats; D013997:Time Factors
chemical_list: D000700:Analgesics; D008781:Methyltyrosines; D009294:Narcotics; D007981:Levorphanol; D009020:Morphine; D008614:Meperidine; D010423:Pentazocine; D008691:Methadone