Quinti, I T-dependent immunity in aged humans. I. Evaluation of T-cell subpopulations before and after short term administration of a thymic extract. [electronic resource] - Journal of gerontology Nov 1981 - 674-9 p. digital Publication Type: Journal Article ISSN: 0022-1422 Standard No.: 10.1093/geronj/36.6.674 doi Subjects--Topical Terms: AgedAgingFemaleHumansImmunologic MemoryMaleSkin TestsT-Lymphocytes--immunologyThymus Extracts--pharmacology