Recruitment begins for lung cancer screening trial.
D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging / Q000517:prevention & control*; D008403:Mass Screening / Q000379:methods*; D009316:National Institutes of Health (U.S.); D010560:Personnel Selection; D014057:Tomography, X-Ray Computed; D014481:United States