coronary angiography: coronary artery bypass graft origin fourth saphenous vein graft obstruction tubular
coronary angiography: coronary artery bypass graft origin fourth saphenous vein graft obstruction tubular
coronary angiography: coronary artery bypass graft origin fourth saphenous vein graft obstruction tubular (procedure)
coronary angiography: coronary artery bypass graft origin fourth saphenous vein graft obstruction tubular (procedure)