coronary angiography: coronary artery bypass graft insertion site distal left anterior descending obstruction single discrete concentric
coronary angiography: coronary artery bypass graft insertion site distal left anterior descending obstruction single discrete concentric
coronary angiography coronary artery bypass graft insertion site distal LAD obstruction single discrete concentric
coronary angiography coronary artery bypass graft insertion site distal lad obstruction single discrete concentric