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Comparison of expression of CD69 and HLA‐DR within PD1pos and PD1neg fractions of CD4+ and CD8+ T cells. A, B. Comparison of CD69 expression on PD1pos and PD1neg CD4+ and CD8+ T cells among compartments. C, D, Comparison of HLA‐DR expression on PD1pos and PD1neg CD4+ and CD8+ T cells among compartments
