coronary angiography: coronary artery bypass graft insertion site proximal left anterior descending obstruction single discrete concentric
coronary angiography: coronary artery bypass graft insertion site proximal left anterior descending obstruction single discrete concentric
catheterization coronary artery bypass graft insertion proximal left anterior descending obstruction single discrete concentric
catheterization coronary artery bypass graft insertion proximal left anterior descending obstruction single discrete concentric