476Correlation between morphology of premature ventricular beats and underlying myocardial substrate in young competitive athletes. (28th August 2018) - Zorzi, A; Mastella, G; De Lazzari, M; Niero, A; Muraru, D; Badano, L P; Bellu, R; Perazzolo Marra, M; Schiavon, M; Iliceto, S; Corrado, D