RT Journal Article SR Electronic T1 Outcome from mechanical ventilation JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 640 OP 642 DO 10.1183/09031936.94.07040640 VO 7 IS 4 A1 JL Vincent YR 1994 UL http://erj.ersjournals.com/content/7/4/640.abstract AB