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