Skin testing in a TB control programme in northern Canada.
D000293:Adolescent; D000328:Adult; D001500:BCG Vaccine; D002170:Canada; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D014374:Tuberculin Test; D014376:Tuberculosis / Q000517:prevention & control*
D001500:BCG Vaccine