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. 2020 Feb 25;9(1):165–174. doi: 10.1007/s40121-020-00283-9

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© The Author(s) 2020

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Fig. 3 — a Left main bronchial stenosis on VBN and failure to extract materials from the main bronchus. b The airway distal to the stenotic site displayed using the manual extraction mode of VBN