title: Enhancement of morphine analgesia by two new adrenergic  -receptor antagonists, Bunolol & H64-52.
mesh_terms: D000319:Adrenergic beta-Antagonists; D000498:Allyl Compounds; D000605:Amino Alcohols; D000698:Analgesia; D000818:Animals; D004357:Drug Synergism; D005260:Female; D002040:Levobunolol; D008297:Male; D009020:Morphine; D010636:Phenols; D051381:Rats
chemical_list: D000319:Adrenergic beta-Antagonists; D000498:Allyl Compounds; D000605:Amino Alcohols; D010636:Phenols; D009020:Morphine; D002040:Levobunolol