title: Beta blockers and calcium channel blocking agents in acute myocardial infarction.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000009:adverse effects / Q000627:therapeutic use*; D002121:Calcium Channel Blockers / Q000009:adverse effects / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy*
chemical_list: D000319:Adrenergic beta-Antagonists; D002121:Calcium Channel Blockers