title: Geographic variations in the prevalence of sensitivity to PPD-S and PPD-B in Western Australia.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001315:Australia; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000453:epidemiology*; D008297:Male; D008403:Mass Screening; D009169:Mycobacterium tuberculosis / Q000276:immunology*; D012737:Sex Factors; D012882:Skin Tests; D014171:Transients and Migrants; D014374:Tuberculin Test