by Pivetta, E, Tizzani, M, Porrino, G, Ferreri, E, Volpicelli, G, Balzaretti, P, Banderali, A, Iacobucci, A, Locatelli, S, Merletti, F, Baldi, I, Casoli, G, Lupia, E, Cibinel, GA
Published in Critical ultrasound journal (27.08.2014)