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Scatter diagrams for age-related changes in peripheral blood leukocyte subpopulation in beagles.
Notes: Numbers of peripheral blood mononuclear cells (PBMCs), CD3+ T cells, CD4+ T cells, CD8+ T cells and CD45R+/− cells, CD4+ or CD8+ T cells versus age in individual dogs are shown by open circles (n = 44). All of these variables, except for CD4+ CD45R− T cells and CD8+ CD45− T cells, were significantly negatively correlated with dogs’ age (P < 0.05).
