Environmental and intrinsic factors lead to antigen unresponsiveness in CD4(+) recent thymic emigrants from aged mice.
Clise-Dwyer K, Huston GE, Buck AL, Duso DK, Swain SL. Environmental and intrinsic factors lead to antigen unresponsiveness in CD4(+) recent thymic emigrants from aged mice. J Immunol. 2007 Feb 01; 178(3):1321-31.