Observations on the cytology of tracheobronchial secretions collected by a new technique.
D003585:Cell Biology; D003581:Cytodiagnosis; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis*; D008175:Lung Neoplasms / Q000175:diagnosis*
CYTOLOGY; LUNG DISEASES/diagnosis; LUNG NEOPLASMS/diagnosis