[2 cases of nystagmus alternans].
D000293:Adolescent; D002526:Cerebellar Diseases / Q000150:complications; D005260:Female; D006801:Humans; D008297:Male; D009759:Nystagmus, Pathologic / Q000175:diagnosis* / Q000209:etiology; D013696:Temperature; D014724:Vestibular Function Tests