Flow characteristics of the left internal mammary artery grafted to the left anterior descending coronary artery. Correlation of measurements obtained with duplex Doppler echocardiography and the Doppler guide wire. - Voudris, V; Athanassopoulos, G; Vassilikos, V; Manginas, A.; Pavlides, G; Avramidis, D; Kantzis, J; Cokkinos, D.V. (CIRCULATION, 1996)