title: Letter: Dramatic effect of methysergide on myoclonus.
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D008784:Methysergide / Q000008:administration & dosage / Q000627:therapeutic use*; D009207:Myoclonus / Q000188:drug therapy*
chemical_list: D008784:Methysergide