title: Heaf test, BCG vaccination and hepatitis B.
mesh_terms: D000293:Adolescent; D001500:BCG Vaccine; D002648:Child; D004739:England; D006509:Hepatitis B / Q000635:transmission*; D006801:Humans; D012306:Risk; D013594:Syringes; D014374:Tuberculin Test; D014611:Vaccination
chemical_list: D001500:BCG Vaccine