coronary angiography: coronary artery bypass graft origin fourth saphenous vein graft obstruction multiple discrete
coronary angiography: coronary artery bypass graft origin fourth saphenous vein graft obstruction multiple discrete
coronary angiography: coronary artery bypass graft origin fourth saphenous vein graft obstruction multiple discrete
coronary angiography: coronary artery bypass graft origin fourth saphenous vein graft obstruction multiple discrete