Click on image to view larger version.

Figure 5 A, Relation between radiolabeled microsphere-derived MBF ratio (x axis) and MCE-derived MBF (A·B ratio) from the stenosed versus normal bed in all Group II dogs during hyperemia (y axis). B, Relation between peak VI ratio during bolus injection (x axis) and plateau VI ratio during continuous infusion (y axis) from the stenosed versus normal bed in all Group II dogs.