title: Opie on the heart.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use; D002118:Calcium / Q000037:antagonists & inhibitors; D006331:Heart Diseases / Q000188:drug therapy*; D006801:Humans
chemical_list: D000319:Adrenergic beta-Antagonists; D002118:Calcium