Digital subtraction angiography.
D015502:Absorptiometry, Photon; D000792:Angiography / Q000379:methods*; D003201:Computers; D006321:Heart / Q000000981:diagnostic imaging; D006801:Humans; D008403:Mass Screening; D013382:Subtraction Technique; D013679:Technology, Radiologic; D014652:Vascular Diseases / Q000000981:diagnostic imaging