title: Studies on the reliability of mass x-ray surveys.
authors.forename: L H
authors.initials: LH
authors.lastname: GARLAND
mesh_terms: D001699:Biometry; D003625:Data Collection; D015203:Reproducibility of Results; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis* / Q000453:epidemiology*; D014965:X-Rays