[X-ray mass screening tests in a county of lower Saxonia].
D006801:Humans; D008168:Lung; D008403:Mass Screening; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control*; D014965:X-Rays
TUBERCULOSIS, PULMONARY/prevention and control
Uber Röntgenschirmbilduntersuchungen in eines Kreis Niedersachsens.