Sympathetic coronary vasoconstriction after adrenergic beta blockade.
D000818:Animals; D001783:Blood Flow Velocity; D001794:Blood Pressure; D003331:Coronary Vessels / Q000502:physiology*; D004285:Dogs; D004562:Electrocardiography; D011433:Propranolol / Q000494:pharmacology; D012039:Regional Blood Flow / Q000187:drug effects; D013564:Sympathetic Nervous System / Q000502:physiology*; D014662:Vasoconstrictor Agents / Q000494:pharmacology*; D014666:Vasomotor System / Q000502:physiology*
D014662:Vasoconstrictor Agents; D011433:Propranolol