Stressed rats fail to expand the CD45RC+CD4+ (Th1-like) T cell subset in response to KLH: Possible involvementk of IFN-γ. - Fleshner,M.; Hermann,J.; Lockwood,L.L.; Watkins,L.R.; Laudenslager,M.L.; Maier,S.F. (Brain, Behav Immun, 1995)