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 1273 OP 1275 DO 10.4187/respcare.05091 VO 61 IS 9 A1 Matteo Parotto A1 Richard M Cooper YR 2016 UL http://rc.rcjournal.com/content/61/9/1273.abstract AB