title: Letter: Adrenergic-blocking drugs in hyperthyroidism.
mesh_terms: D000317:Adrenergic alpha-Antagonists / Q000627:therapeutic use*; D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D001593:Benzyl Compounds / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use; D004341:Drug Evaluation; D006146:Guanidines / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D006980:Hyperthyroidism / Q000188:drug therapy*; D011217:Practolol / Q000008:administration & dosage / Q000627:therapeutic use*; D011433:Propranolol / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D000317:Adrenergic alpha-Antagonists; D000319:Adrenergic beta-Antagonists; D001593:Benzyl Compounds; D006146:Guanidines; D011433:Propranolol; D011217:Practolol