CD8+ T cells are required for primary immunity in C57BL/6 mice following low-dose, intradermal challenge with Leishmania major. - Belkaid,Y.; Stebut,E von.; Mendez,S.; Lira,R.; Caler,E.; Bertholet,S.; Udey,M.C.; Sacks,D. (J Immunol, 2002)