Stress testing with multiple leads compared with the thallium 201, in patients submited to coronary angioplasty - Chalela, W. A.; Alfieri, R. G.; Arie, S.; Camargo, Edwaldo Eduardo; Checchi, H.; Moffa, Paulo Jorge; Del Nero Júnior, E; Bellotti, Giovanni; Pileggi, F (World Congress of Cardiology, 1986)