Severity of respiratory failure and outcome of patients needing a ventilatory support in the Emergency Department during Italian novel coronavirus SARS-CoV2 outbreak: Preliminary d... oleh Andrea Duca, Irdi Memaj, Federico Zanardi, Carlo Preti, Andrea Alesi, Lorenzo Della Bella, Elena Ghezzi, Fabiano Di Marco, Ferdinando Luca Lorini, Serena Venturelli, Stefano Fagiuoli, Roberto Cosentini