coronary angiography: coronary artery bypass graft insertion site first obtuse marginal obstruction single discrete
coronary angiography: coronary artery bypass graft insertion site first obtuse marginal obstruction single discrete
coronary angiography: coronary artery bypass graft insertion site first obtuse marginal obstruction single discrete (procedure)
coronary angiography: coronary artery bypass graft insertion site first obtuse marginal obstruction single discrete (procedure)