Villa, A., P. Vandoni, I. Riva, C. Moro, L. Chiappa, C. Valena, and M. Macchiarulo. “Interpretation of Electrocardiogram in an Ultra-Marathon Athlete: A Case Report”. Italian Journal of Medicine, Vol. 13, no. 1, Jan. 2019, pp. 64-67, doi:10.4081/itjm.2019.1074.