coronary angiography: coronary artery bypass graft insertion site first diagonal branch obstruction single discrete concentric
coronary angiography: coronary artery bypass graft insertion site first diagonal branch obstruction single discrete concentric
coronary angiography: coronary artery bypass graft insertion site first diagonal branch obstruction single discrete concentric (procedure)
coronary angiography: coronary artery bypass graft insertion site first diagonal branch obstruction single discrete concentric (procedure)