coronary angiography: coronary artery bypass graft insertion site proximal left anterior descending obstruction single discrete
coronary angiography: coronary artery bypass graft insertion site proximal left anterior descending obstruction single discrete
coronary angiography: coronary artery bypass graft insertion site proximal left anterior descending obstruction single discrete
coronary angiography: coronary artery bypass graft insertion site proximal left anterior descending obstruction single discrete