title: Adrenergic effect on tracheal constriction.
mesh_terms: D000818:Animals; D004285:Dogs / Q000502:physiology*; D009119:Muscle Contraction; D011941:Receptors, Adrenergic / Q000502:physiology*; D014132:Trachea / Q000502:physiology*
chemical_list: D011941:Receptors, Adrenergic