[Tuberculin allergy among the aged.  II.  Seasonal changes of tuberculin allergy and a comparison of tuberculin reactions elicited by different dilutions of O.T. (1:2,000 and 1:10,000)].
D004342:Drug Hypersensitivity; D006801:Humans; D012621:Seasons; D014373:Tuberculin; D014374:Tuberculin Test
D014373:Tuberculin
TUBERCULIN REACTION