coronary angiography: coronary artery bypass graft insertion site middle left anterior descending obstruction single discrete
coronary angiography: coronary artery bypass graft insertion site middle left anterior descending obstruction single discrete
coronary angiography: coronary artery bypass graft insertion site middle left anterior descending obstruction single discrete (procedure)
coronary angiography: coronary artery bypass graft insertion site middle left anterior descending obstruction single discrete (procedure)