RT Journal Article SR Electronic T1 PaO2/FIO2 Is Not a Guesstimation JF Respiratory Care FD American Association for Respiratory Care SP 388 OP 389 DO 10.4187/respcare.05393 VO 62 IS 3 A1 Mary Ann Couture YR 2017 UL http://rc.rcjournal.com/content/62/3/388.abstract AB