coronary angiography: coronary artery bypass graft origin second saphenous vein graft obstruction single discrete
coronary angiography: coronary artery bypass graft origin second saphenous vein graft obstruction single discrete
coronary angiography: coronary artery bypass graft origin second saphenous vein graft obstruction single discrete (procedure)
coronary angiography: coronary artery bypass graft origin second saphenous vein graft obstruction single discrete (procedure)