coronary angiography: coronary artery bypass graft insertion site left posterolateral segment obstruction multiple discrete
coronary angiography: coronary artery bypass graft insertion site left posterolateral segment obstruction multiple discrete
coronary angiography: coronary artery bypass graft insertion site left posterolateral segment obstruction multiple discrete (procedure)
coronary angiography: coronary artery bypass graft insertion site left posterolateral segment obstruction multiple discrete (procedure)