title: [Value of cytologic sputum examinations in epidemiological surveys of respiratory diseases].
mesh_terms: D003581:Cytodiagnosis; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D008297:Male; D012140:Respiratory Tract Diseases / Q000175:diagnosis*; D012737:Sex Factors; D013183:Sputum / Q000166:cytology*
vernacular_title: Znaczenie badania cytologicznego plwociny w badaniach epidemiologicznych chorób układu oddechowego