Digital subtraction arteriography.
D000792:Angiography / Q000191:economics / Q000379:methods; D002340:Carotid Artery Diseases / Q000000981:diagnostic imaging*; D003362:Cost-Benefit Analysis; D006801:Humans; D002546:Ischemic Attack, Transient / Q000000981:diagnostic imaging*; D013382:Subtraction Technique / Q000191:economics