Mass x-ray surveys in New Zealand.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005006:Ethnicity; D006801:Humans; D007223:Infant; D008400:Mass Chest X-Ray; D008875:Middle Aged; D009520:New Zealand; D014397:Tuberculosis, Pulmonary / Q000000981:diagnostic imaging*