title: [Catecholamine contraction mechanism in tracheal smooth muscle of dogs].
mesh_terms: D000818:Animals; D002395:Catecholamines / Q000494:pharmacology*; D004285:Dogs; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000502:physiology*; D014132:Trachea
chemical_list: D002395:Catecholamines