coronary angiography: coronary artery bypass graft body second saphenous vein graft obstruction multiple discrete
coronary angiography: coronary artery bypass graft body second saphenous vein graft obstruction multiple discrete
coronary angiography: coronary artery bypass graft body second saphenous vein graft obstruction multiple discrete
coronary angiography: coronary artery bypass graft body second saphenous vein graft obstruction multiple discrete