Villa, A., Vandoni, P., Riva, I., Moro, C., Chiappa, L., Valena, C. and Macchiarulo, M. (2019) “Interpretation of electrocardiogram in an ultra-marathon athlete: a case report”, Italian Journal of Medicine, 13(1), pp. 64–67. doi: 10.4081/itjm.2019.1074.