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