Determinants of Beat-to-Beat Variability of Repolarization Duration in the Canine Ventricular Myocyte: A Computational Analysis. - Jordi Heijman; Antonio Zaza; Daniel M. Johnson 002; Yoram Rudy; Ralf L. M. Peeters; Paul G. A. Volders; Ronald L. Westra (PLoS Comput. Biol., 2013)