vessel
However, due to the complexity of       viability assessment especially in patients with severely depressed left       ventricular function and multi-vessel disease, viability tests are usually       requested after the results of coronary angiography are known.
However, due to the complexity of       viability assessment especially in patients with severely depressed left       ventricular function and multi- @SUBJECT$  @PREDICAT$  @OBJECT$ , viability tests are usually       requested after the results of coronary angiography are known.