coronary angiography: coronary artery bypass graft origin sequential internal mammary artery graft obstruct multiple discrete
coronary angiography: coronary artery bypass graft origin sequential internal mammary artery graft obstruct multiple discrete
coronary angiography: coronary artery bypass graft origin sequential internal mammary artery graft obstruct multiple discrete (procedure)
coronary angiography: coronary artery bypass graft origin sequential internal mammary artery graft obstruct multiple discrete (procedure)