Quantitative Doppler spectrum analysis of extracranial carotid artery stenosis.
D000328:Adult; D000368:Aged; D001157:Arterial Occlusive Diseases / Q000175:diagnosis*; D002340:Carotid Artery Diseases / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014463:Ultrasonography