lower respiratory tract smear
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Related to lower respiratory tract smear: Lower respiratory tract infection
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| Noun | 1. | lower respiratory tract smear - any of several cytologic smears obtained from different parts of the lower respiratory tract; used for cytologic study of cancer and other diseases of the lungs cytologic smear, cytosmear, smear - a thin tissue or blood sample spread on a glass slide and stained for cytologic examination and diagnosis under a microscope |
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