A direct comparison of natural and aerosol produced sputum collected from 776 asymptomatic men.
D000336:Aerosols; D003581:Cytodiagnosis; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D013183:Sputum
D000336:Aerosols
CYTODIAGNOSIS; LUNG NEOPLASMS/diagnosis; SPUTUM