coronary angiography: coronary artery bypass graft insertion site second obtuse marginal obstruction multiple discrete
coronary angiography: coronary artery bypass graft insertion site second obtuse marginal obstruction multiple discrete
coronary angiography: coronary artery bypass graft insertion site second obtuse marginal obstruction multiple discrete (procedure)
coronary angiography: coronary artery bypass graft insertion site second obtuse marginal obstruction multiple discrete (procedure)