title: Asymptomatic occlusion of an internal carotid artery in a hospital population: determined by directional Doppler ophthalmosonometry.
mesh_terms: D000368:Aged; D002339:Carotid Arteries / Q000000981:diagnostic imaging; D002340:Carotid Artery Diseases / Q000175:diagnosis*; D002342:Carotid Artery, External / Q000503:physiopathology; D002343:Carotid Artery, Internal / Q000503:physiopathology; D003097:Collateral Circulation; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009880:Ophthalmic Artery; D009884:Ophthalmodynamometry / Q000379:methods; D011859:Radiography; D012039:Regional Blood Flow; D014465:Ultrasonics