A study of variability in the interpretation of sputum cytology slides.
D003581:Cytodiagnosis; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D008403:Mass Screening; D012142:Respiratory Tract Neoplasms / Q000175:diagnosis*; D013183:Sputum / Q000166:cytology*