Synonyms|1Antonyms|0|Broader|2Narrower|2Related|0
1
lower respiratory tract
1
upper respiratory tract
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APASmart Define. (2015). respiratory tract thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/respiratory_tract/thesaurus/narrower
ChicagoSmart Define. 2015. "respiratory tract thesaurus" https://smartdefine.org/respiratory_tract/thesaurus/narrower (accessed September 28, 2026).
HarvardSmart Define 2015, respiratory tract thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/respiratory_tract/thesaurus/narrower>.
MLASmart Define. "respiratory tract thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/respiratory_tract/thesaurus/narrower>