coronary angiography: coronary artery bypass graft origin first saphenous vein graft obstruction
coronary angiography: coronary artery bypass graft origin first saphenous vein graft obstruction
coronary angiography: coronary artery bypass graft origin first saphenous vein graft obstruction
coronary angiography: coronary artery bypass graft origin first saphenous vein graft obstruction