Simonetti, S., Natalini, A., Peruzzi, G., Nicosia, A., Folgori, A., Capone, S., Santoni, A., Di Rosa, F. A DNA/Ki67-Based Flow Cytometry Assay for Cell Cycle Analysis of Antigen-Specific CD8 T Cells in Vaccinated Mice. J. Vis. Exp. (167), e61867, doi:10.3791/61867 (2021).