coronary angiography: coronary artery bypass graft insertion site distal circumflex obstruction single discrete concentric
coronary angiography: coronary artery bypass graft insertion site distal circumflex obstruction single discrete concentric
catheterization coronary artery bypass graft insert distal circumflex obstruction single discrete concentric
catheterization coronary artery bypass graft insert distal circumflex obstruction single discrete concentric