CONCENTRATION   OF CARCINOMA OR ATYPICAL CELLS IN SPUTUM.
D003581:Cytodiagnosis; D006801:Humans; D008175:Lung Neoplasms; D008403:Mass Screening; D013048:Specimen Handling; D013183:Sputum
CYTODIAGNOSIS; LUNG NEOPLASMS; MASS SCREENING; SPECIMEN HANDLING; SPUTUM