title: A survey of non-embolic stroke in adults under 50 years of age.
mesh_terms: D000328:Adult; D000367:Age Factors; D002561:Cerebrovascular Disorders / Q000175:diagnosis / Q000453:epidemiology* / Q000209:etiology; D005260:Female; D006801:Humans; D006973:Hypertension / Q000150:complications; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D012306:Risk; D012737:Sex Factors; D006113:United Kingdom