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Interaction between CD4 and CD8 T cells in RAG-2−/− hosts. T cells transferred into BALB/c–RAG-2−/− recipients 6 days before analysis. CD8 cells (2 × 106) from donors vaccinated with Vβ6+ or Vβ8+ CD4 cells admixed with 105 conA activated Vβ6+ or Vβ8+ CD4 cells as indicated. Results are representative of three independent experiments.
