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