[Results of representative sampling of roentgen examinations in teachers and school employees from 1947 to 1958 in the North Rhine-Westphalia area].
D006801:Humans; D008168:Lung; D010808:Physical Examination; D011859:Radiography; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary / Q000000981:diagnostic imaging*
TUBERCULOSIS, PULMONARY/radiography