Malignancy associated changes in sputum: a correlated study of 315 patients.
D000328:Adult; D000367:Age Factors; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis / Q000473:pathology; D002467:Cell Nucleus / Q000648:ultrastructure; D003581:Cytodiagnosis / Q000379:methods; D005069:Evaluation Studies as Topic; D006801:Humans; D008875:Middle Aged; D009369:Neoplasms / Q000175:diagnosis / Q000473:pathology*; D013183:Sputum / Q000166:cytology*