coronary angiography: coronary artery bypass graft origin fourth saphenous vein graft obstruct single discrete eccentric
coronary angiography: coronary artery bypass graft origin fourth saphenous vein graft obstruct single discrete eccentric
coronary angiography coronary artery bypass graft origin SVG-4 obstruct single discrete eccentric
coronary angiography coronary artery bypass graft origin svg-4 obstruct single discrete eccentric