Age-related changes in numbers of newly-formed and long-lived small lymphocytes of normal and nude Balb/c mice.
D000375:Aging; D000818:Animals; D001345:Autoradiography; D001854:Bone Marrow Cells; D007958:Leukocyte Count; D008198:Lymph Nodes / Q000166:cytology; D008214:Lymphocytes; D051379:Mice; D008807:Mice, Inbred BALB C; D008819:Mice, Nude; D013154:Spleen / Q000166:cytology; D013950:Thymus Gland / Q000166:cytology