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