coronary angiography: coronary artery bypass graft insertion site first acute marginal branch obstruction single discrete concentric
coronary angiography: coronary artery bypass graft insertion site first acute marginal branch obstruction single discrete concentric
catheterization coronary artery bypass graft insert first acute marginal vessel obstruct single discrete concentric
catheterization coronary artery bypass graft insert first acute marginal vessel obstruct single discrete concentric