[Letter: Beta blockaders yet again].
D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D000526:Alprenolol / Q000627:therapeutic use; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D011433:Propranolol / Q000627:therapeutic use
D000319:Adrenergic beta-Antagonists; D000526:Alprenolol; D011433:Propranolol
Beta-blokkere enda en gang.