title: Decreased heart rate variability and beta blockers after acute myocardial infarction.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D000818:Animals; D004285:Dogs; D006339:Heart Rate / Q000187:drug effects*; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy*
chemical_list: D000319:Adrenergic beta-Antagonists