title: Effects of isoproterenol, theophylline and carbachol on cyclic nucleotide levels and relaxation of bovine tracheal smooth muscle.
mesh_terms: D000818:Animals; D001285:Atropine / Q000494:pharmacology; D002217:Carbachol / Q000494:pharmacology*; D002417:Cattle; D004305:Dose-Response Relationship, Drug; D007545:Isoproterenol / Q000494:pharmacology*; D009126:Muscle Relaxation / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects*; D009712:Nucleotides, Cyclic / Q000378:metabolism*; D010727:Phosphoric Diester Hydrolases / Q000378:metabolism; D013806:Theophylline / Q000494:pharmacology*; D014132:Trachea
chemical_list: D009712:Nucleotides, Cyclic; D001285:Atropine; D002217:Carbachol; D013806:Theophylline; D010727:Phosphoric Diester Hydrolases; D007545:Isoproterenol