The analgesic effect of opiate-opiate antagonist combinations in the rat.
D000700:Analgesics / Q000494:pharmacology*; D000818:Animals; D007977:Levallorphan / Q000494:pharmacology; D008614:Meperidine / Q000494:pharmacology; D008691:Methadone / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology; D009269:Nalorphine / Q000494:pharmacology; D009292:Narcotic Antagonists / Q000494:pharmacology*; D010620:Phenazocine / Q000494:pharmacology; D051381:Rats; D011984:Sensory Receptor Cells / Q000187:drug effects*
D000700:Analgesics; D009292:Narcotic Antagonists; D007977:Levallorphan; D009020:Morphine; D008614:Meperidine; D010620:Phenazocine; D009269:Nalorphine; D008691:Methadone