SELECTIVE CASE-FINDING BY A MASS RADIOGRAPHY SERVICE.
D001500:BCG Vaccine; D006801:Humans; D008400:Mass Chest X-Ray; D009017:Morbidity; D009163:Mycobacterium bovis; D014611:Vaccination
D001500:BCG Vaccine
BCG VACCINATION; MASS CHEST X-RAY; MORBIDITY