title: Double-blind controlled study of primidone in essential tremor: preliminary results.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D008875:Middle Aged; D011324:Primidone / Q000009:adverse effects / Q000627:therapeutic use*; D011897:Random Allocation; D014202:Tremor / Q000188:drug therapy*
chemical_list: D011324:Primidone