title: Letter: Positive EEG spike activity in sleep.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D004569:Electroencephalography; D006261:Headache / Q000188:drug therapy; D006801:Humans; D010672:Phenytoin / Q000627:therapeutic use; D012890:Sleep; D012920:Social Behavior Disorders / Q000188:drug therapy
chemical_list: D010672:Phenytoin