title: Author reply: To PMID 21261242.
authors.forename: Nasser H
authors.initials: NH
authors.lastname: Kashou
mesh_terms: D002531:Cerebellum / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008297:Male; D020417:Nystagmus, Congenital / Q000503:physiopathology*; D015840:Oculomotor Nerve Diseases / Q000503:physiopathology*