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. Author manuscript; available in PMC: 2023 Oct 4.
Published in final edited form as: Int J Pediatr Otorhinolaryngol. 2021 Apr 18;145:110719. doi: 10.1016/j.ijporl.2021.110719

Figure 1:

Figure 1:

Experimental Setup. 3D-printed upper airway model with HFNC in place and attached to computerized breathing lung. Tracheal pressure sensor (white) in series with airway/lung model.