title: beta-Adrenoceptor antagonists and essential tremor.
mesh_terms: D000328:Adult; D000368:Aged; D001262:Atenolol / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008297:Male; D008790:Metoprolol / Q000627:therapeutic use*; D008875:Middle Aged; D011412:Propanolamines / Q000627:therapeutic use*; D011897:Random Allocation; D013015:Sotalol / Q000627:therapeutic use*; D014202:Tremor / Q000188:drug therapy*
chemical_list: D011412:Propanolamines; D001262:Atenolol; D013015:Sotalol; D008790:Metoprolol