[Carotido-basilar anastomosis. Report of a case].
D001488:Basilar Artery / Q000002:abnormalities*; D002339:Carotid Arteries / Q000002:abnormalities*; D005315:Fetal Diseases; D006801:Humans; D014652:Vascular Diseases
BASILAR ARTERY/abnormalities; CAROTID ARTERIES/abnormalities