Assessment of circulatory adjustments during underwater apnoea in elite divers by means of a portable device. - Tocco, F.; Marongiu, E.; Pinna, M.; Roberto, S.; Pusceddu, M.; Angius, L.; Migliaccio, G.; Milia, R.; Concu, A.; Crisafulli, A. (Acta Physiologica, 2013)