RT Journal Article SR Electronic T1 Non-invasive Ventilation and Weaning: Principles and Practice JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 478 OP 478 VO 37 IS 2 A1 N. Ambrosino YR 2011 UL http://erj.ersjournals.com/content/37/2/478.abstract AB