Mittrücker, H.-W., Köhler, A., & Kaufmann, S. H. E. (2000). Substantial in vivo proliferation of CD4(+) and CD8(+) T lymphocytes during secondary Listeria monocytogenes infection. European Journal of Immunology, 30(4), 1053-1059. doi:10.1002/(SICI)1521-4141(200004)30:4<1053:AID-IMMU1053>3.0.CO;2-N.