title: Mechanisms of activating contractions or relaxations in isolated helical strips of coronary artery.
mesh_terms: D000317:Adrenergic alpha-Antagonists / Q000494:pharmacology; D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000818:Animals; D003331:Coronary Vessels / Q000502:physiology*; D009119:Muscle Contraction / Q000187:drug effects*; D009132:Muscles / Q000502:physiology*; D011188:Potassium / Q000494:pharmacology; D013552:Swine
chemical_list: D000317:Adrenergic alpha-Antagonists; D000319:Adrenergic beta-Antagonists; D011188:Potassium