Combined alpha- and beta-blockade in the treatment of hypertension.
D000317:Adrenergic alpha-Antagonists / Q000627:therapeutic use*; D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D006145:Guanethidine / Q000627:therapeutic use; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D010235:Paraganglioma / Q000188:drug therapy
D000317:Adrenergic alpha-Antagonists; D000319:Adrenergic beta-Antagonists; D006145:Guanethidine