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