coronary angiography: coronary artery bypass graft insertion site right posterolateral segment obstruction single discrete
coronary angiography: coronary artery bypass graft insertion site right posterolateral segment obstruction single discrete
coronary angiography: coronary artery bypass graft insertion site right posterolateral segment obstruction single discrete (procedure)
coronary angiography: coronary artery bypass graft insertion site right posterolateral segment obstruction single discrete (procedure)