title: But caution advised by the FDA in the use of combination therapy.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000008:administration & dosage*; D000787:Angina Pectoris / Q000188:drug therapy*; D004359:Drug Therapy, Combination; D006801:Humans; D012306:Risk; D014481:United States; D014486:United States Food and Drug Administration; D014700:Verapamil / Q000008:administration & dosage*
chemical_list: D000319:Adrenergic beta-Antagonists; D014700:Verapamil