[The circle of Willis and its variations. Autopsy study of 215 cases].
D000293:Adolescent; D000328:Adult; D000368:Aged; D001344:Autopsy; D002561:Cerebrovascular Disorders / Q000473:pathology*; D002648:Child; D002941:Circle of Willis / Q000002:abnormalities* / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
El polígono de Willis y sus variaciones. Estudio autópsico de 215 casos.