RT Journal Article SR Electronic T1 Preoxygenation in Critically Ill Patients Requiring Intubation: Difficult Questions, No Easy Answers JF Respiratory Care FD American Association for Respiratory Care SP respcare.05091 DO 10.4187/respcare.05091 A1 Matteo Parotto A1 Richard M Cooper YR 2016 UL http://rc.rcjournal.com/content/early/2016/07/19/respcare.05091.abstract AB