CD8 T cell recall responses are regulated by the tissue tropism of the memory cell and pathogen.
Klonowski KD, Marzo AL, Williams KJ, Lee SJ, Pham QM, Lefrançois L. CD8 T cell recall responses are regulated by the tissue tropism of the memory cell and pathogen. J Immunol. 2006 Nov 15; 177(10):6738-46.