coronary angiography: coronary artery bypass graft insertion site left posterolateral segment obstruction single discrete concentric
coronary angiography: coronary artery bypass graft insertion site left posterolateral segment obstruction single discrete concentric
coronary angiography: coronary artery bypass graft insertion site left posterolateral segment obstruction single discrete concentric
coronary angiography: coronary artery bypass graft insertion site left posterolateral segment obstruction single discrete concentric