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