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