Chieffo, Daniela Early development in Dravet syndrome; visual function impairment precedes cognitive decline. [electronic resource] - Epilepsy research Jan 2011 - 73-9 p. digital Publication Type: Journal Article ISSN: 1872-6844 Standard No.: 10.1016/j.eplepsyres.2010.10.015 doi Subjects--Topical Terms: Child, PreschoolCognition Disorders--etiologyDisease ProgressionEpilepsies, Myoclonic--complicationsFemaleHumansLongitudinal StudiesMaleVision Disorders--etiology