Progress in evaluating carotid artery stenosis.
D002343:Carotid Artery, Internal / Q000000981:diagnostic imaging / Q000601:surgery; D016893:Carotid Stenosis / Q000175:diagnosis* / Q000601:surgery; D016894:Endarterectomy, Carotid; D006801:Humans; D011859:Radiography; D014463:Ultrasonography