coronary angiography: coronary artery bypass graft insertion site first obtuse marginal obstruction multiple discrete
coronary angiography: coronary artery bypass graft insertion site first obtuse marginal obstruction multiple discrete
coronary angiography: coronary artery bypass graft insertion site first obtuse marginal obstruction multiple discrete
coronary angiography: coronary artery bypass graft insertion site first obtuse marginal obstruction multiple discrete