title: Patency changes in dog's Eustachian tube in response to alpha and beta adrenergic drugs.
mesh_terms: D000316:Adrenergic alpha-Agonists / Q000494:pharmacology; D000318:Adrenergic beta-Agonists / Q000494:pharmacology; D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D004285:Dogs; D004848:Epithelium / Q000187:drug effects; D005064:Eustachian Tube / Q000187:drug effects*; D007545:Isoproterenol / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology; D010643:Phenoxybenzamine / Q000494:pharmacology; D011433:Propranolol / Q000494:pharmacology; D013566:Sympathomimetics / Q000494:pharmacology*
chemical_list: D000316:Adrenergic alpha-Agonists; D000318:Adrenergic beta-Agonists; D013566:Sympathomimetics; D010643:Phenoxybenzamine; D011433:Propranolol; D007545:Isoproterenol; D009638:Norepinephrine