Some effects of morphine and morphine antagonists on schedule-controlled behavior.
D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D001717:Birds; D003496:Cyclazocine / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology*; D009269:Nalorphine / Q000494:pharmacology*; D009292:Narcotic Antagonists / Q000494:pharmacology*; D010423:Pentazocine / Q000494:pharmacology*
D009292:Narcotic Antagonists; D009020:Morphine; D003496:Cyclazocine; D010423:Pentazocine; D009269:Nalorphine