Heart rate variability is a weak predictor of sudden death in children and young patients with hypertrophic cardiomyopathy. Issue 1 (14th December 2006) - Limongelli, G; Miele, T; Pacileo, G; Di Salvo, G; Calabro', P; Ancona, R; Gala, S; Rea, A; Verrengia, M; Calabro', R