Are mass miniature x-ray surveys among South African whites warranted?
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003365:Costs and Cost Analysis; D006801:Humans; D007223:Infant; D008403:Mass Screening; D008875:Middle Aged; D013902:Radiography, Thoracic; D013019:South Africa; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis*