Low prevalence of cardiac abnormalities in competitive athletes at return-to-play after COVID-19 - Maestrini, V.; Penza, M.; Filomena, D.; Birtolo, L. I.; Monosilio, S.; Lemme, E.; Squeo, M. R.; Mango, R.; Di Gioia, G.; Serdoz, A.; Fiore, R.; Fedele, F.; et al. (Journal of Science and Medicine in Sport, 2023)