[Notes on chest x-ray examination in the schools of the district of Perugia].
D006801:Humans; D013902:Radiography, Thoracic; D012574:Schools; D014376:Tuberculosis / Q000517:prevention & control*; D014965:X-Rays
TUBERCULOSIS/prevention and control
Osservazioni sull'indagnine schermografica nelle scuole del comune di Perugia.