RT Journal Article SR Electronic T1 Nasolabial Pinch Airway Seal to Enable Positive-Pressure Ventilation: 40 Years of Expanding Use JF Ochsner Journal JO Ochsner J FD O. P. Jindal Global University SP 235 OP 236 DO 10.31486/toj.21.0051 VO 21 IS 3 A1 James M. Riopelle A1 Nichole C. Staab A1 John N. Cefalu A1 Mark J. Wilson YR 2021 UL http://www.ochsnerjournal.org/content/21/3/235.abstract AB