[Regular x-ray examinations of school faculties, employees and students].
D005178:Faculty; D006801:Humans; D012574:Schools; D013334:Students; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control*; D014965:X-Rays
TUBERCULOSIS, PULMONARY/prevention and control
Mitteilung zur Frage der regelmässigen Röentgenuntersuchungen der Lehrkräfte, Schulbediensteten und Schüler.