bronchiolitis obliterans
noun
bronchiolitis ob·lit·er·ans
-ə-ˈblit-ə-ˌranz 
: progressive obstruction of the bronchioles due to inflammation and fibrosis (as from respiratory infection or inhalation of irritant fumes)
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“Bronchiolitis obliterans.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/bronchiolitis%20obliterans. Accessed 23 Dec. 2024.
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