Brock, M A Age-related changes in circannual rhythms of lymphocyte blastogenic responses in mice. [electronic resource] - The American journal of physiology Feb 1987 - R299-305 p. digital Publication Type: Journal Article ISSN: 0002-9513 Standard No.: 10.1152/ajpregu.1987.252.2.R299 doi Subjects--Topical Terms: AgingAnimalsB-Lymphocytes--metabolismCell SurvivalFemaleLymphocyte ActivationMiceMice, Inbred C57BLPeriodicityT-Lymphocytes--metabolismThymidine--metabolismTritium