title: Interaction of calcium channel and beta-adrenergic blocking agents.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000494:pharmacology*; D002121:Calcium Channel Blockers / Q000494:pharmacology*; D004347:Drug Interactions; D004359:Drug Therapy, Combination; D006801:Humans; D011433:Propranolol / Q000494:pharmacology; D014700:Verapamil / Q000494:pharmacology
chemical_list: D000319:Adrenergic beta-Antagonists; D002121:Calcium Channel Blockers; D011433:Propranolol; D014700:Verapamil