title: Value of washings and brushings at fibreoptic bronchoscopy in the diagnosis of lung cancer.
mesh_terms: D001706:Biopsy; D001992:Bronchoalveolar Lavage Fluid; D020680:Bronchoscopes; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis* / Q000473:pathology; D012189:Retrospective Studies; D013183:Sputum / Q000166:cytology