TOTAL QRS VOLTAGE-ECHOCARDIOGRAPHIC EVALUATION OF ITS ACCURACY IN DIAGNOSING LEFT-VENTRICULAR HYPERTROPHY - Athanassopoulos, G; Manolis, A; MOUNTZOURIDIS, G; LASKOS, V; BARAKOS, K; Kolovou, G; Cokkinos, D.V. (JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, 1994)