coronary angiography: coronary artery bypass graft origin fourth saphenous vein graft insertion site visualized Y graft
coronary angiography: coronary artery bypass graft origin fourth saphenous vein graft insertion site visualized y graft
catheterization coronary artery bypass graft origin forth saphenous vein graft insertion sites visualized Y graft
catheterization coronary artery bypass graft origin forth saphenous vein graft insertion sites visualized y graft