title: When is referral of Heaf test positive school children worth while? Evidence is not sufficiently persuasive to overturn current recommendation.
authors.forename: G E
authors.initials: GE
authors.lastname: Packe
mesh_terms: D000293:Adolescent; D001500:BCG Vaccine; D002648:Child; D002675:Child, Preschool; D006801:Humans; D012017:Referral and Consultation; D014374:Tuberculin Test; D014376:Tuberculosis / Q000517:prevention & control*
chemical_list: D001500:BCG Vaccine