title: [Fine surface structure of bronchial epithelium and exfoliative cells--an observation with scanning electron microscope].
mesh_terms: D001980:Bronchi / Q000648:ultrastructure*; D001991:Bronchitis / Q000473:pathology; D004848:Epithelium / Q000648:ultrastructure; D006801:Humans; D008855:Microscopy, Electron, Scanning; D010996:Pleural Effusion / Q000166:cytology