RT Journal Article SR Electronic T1 Optoacoustic Evaluation of Endotracheal Tube Depth in Pediatrics JF Respiratory Care FD American Association for Respiratory Care SP 1575 OP 1576 DO 10.4187/respcare.06687 VO 63 IS 12 A1 Andrew G Miller A1 Kyle J Rehder A1 Ira M Cheifetz A1 Neil R MacIntyre YR 2018 UL http://rc.rcjournal.com/content/63/12/1575.abstract AB