Ferrari, R., F. Giostra, D. Agostinelli, G. Monti, D. P. Pomata, and M. Cavazza. 2012. “Noninvasive Ventilation for Acute Exacerbations of Chronic Obstructive Pulmonary Disease in the Emergency Department: Early Predictors of in-Hospital Outcome”. Emergency Care Journal 8 (2):43. https://doi.org/10.4081/ecj.2012.2.43.