title: Angiographic determination of operability in candidates for aorto-coronary bypass.
mesh_terms: D006328:Cardiac Catheterization; D003250:Constriction / Q000000981:diagnostic imaging / Q000601:surgery; D017023:Coronary Angiography; D001026:Coronary Artery Bypass; D003327:Coronary Disease / Q000000981:diagnostic imaging / Q000601:surgery*; D003331:Coronary Vessels / Q000601:surgery; D005263:Femoral Artery; D006801:Humans