CD4+ T cells contain Mycobacterium tuberculosis infection in the absence of CD8+ T cells in mice vaccinated with DNA encoding Ag85A., D'Souza, S, Denis O, Scorza T, Nzabintwali F, Verschueren H, and Huygen K , Eur J Immunol, 2000 Sep, Volume 30, Issue 9, Number 2459, p.2455-9, (2000)