title: Factors favouring ischemic nonembolic cerebrovascular accidents in patients under 50. I. Clinical data and the main risk factors detected.
mesh_terms: D000328:Adult; D000367:Age Factors; D002545:Brain Ischemia / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012306:Risk