[Studies on tuberculin reaction repeated at the same site. 19. Its practical significance. 6. Duration of the influence of the preceeding tuberculin reaction on the subsequent one at the same site].
D000293:Adolescent; D002648:Child; D006801:Humans; D006968:Hypersensitivity, Delayed; D006969:Hypersensitivity, Immediate; D013997:Time Factors; D014374:Tuberculin Test