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. 2020 Aug 14;130(3):280–285. doi: 10.1177/0003489420949588

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© The Author(s) 2020

This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — Setup of trials.

(A) Impactor setup with vacuum generator (white arrow) and flow meter (black arrow). (B) Breath Actuated Nebulizer system attached to retrograded 8.0 ETT in cadaver trachea. (C) Positioning of cadaveric nares adjacent to impactor inlet nozzle. Aerosols plumes can be visualized exiting nares under UV light and entering impactor inlet nozzle. (D) Setup of endonasal drilling trial with vitamin B2 irrigation.