[Immunity in the aged individuals. 1) Specific immunity (author's transl)].
D000328:Adult; D000368:Aged; D000375:Aging; D006801:Humans; D008214:Lymphocytes / Q000276:immunology*; D008875:Middle Aged; D013745:Tetanus Toxoid / Q000276:immunology*
D013745:Tetanus Toxoid