Further studies of acquired sensitivity to human and avian tuberculins at successive tests in school children.  A report from the research committee of the British Tuberculosis Association.
D000375:Aging; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D009164:Mycobacterium Infections / Q000453:epidemiology*; D012621:Seasons; D012723:Sex; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology*