title: Non-invasive sampling of nasal cilia for measurement of beat frequency and study of ultrastructure.
mesh_terms: D000328:Adult; D001987:Bronchiectasis / Q000503:physiopathology; D002923:Cilia / Q000502:physiology* / Q000648:ultrastructure; D003584:Cytological Techniques; D006801:Humans; D008297:Male; D009297:Nasal Mucosa; D010783:Photometry; D012852:Sinusitis / Q000503:physiopathology; D013048:Specimen Handling / Q000379:methods