RT Journal Article SR Electronic T1 A European survey of non- invasive ventilation (NIV) practices JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00123509 A1 C.Crimi A1 A.Noto A1 P. Princi A1 A. Esquinas A1 S. Nava YR 2010 UL http://erj.ersjournals.com/content/early/2010/01/14/09031936.00123509.abstract AB