title: In vivo assessment by intravascular ultrasound of enlargement in saphenous vein bypass grafts.
mesh_terms: D000368:Aged; D001026:Coronary Artery Bypass; D003324:Coronary Artery Disease / Q000000981:diagnostic imaging; D004108:Dilatation, Pathologic / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012501:Saphenous Vein / Q000000981:diagnostic imaging* / Q000473:pathology / Q000637:transplantation; D018084:Ultrasonography, Interventional