Effect of High- Versus Moderate-Intensity Exercise on Lymphocyte Subpopulations and Proliferative Response - Nieman, D C; Miller, A R; Henson, D A; Warren, B J; Gusewitch, G; Johnson, R L; Davis, J M; Butterworth, D E; Herring, J L; Nehlsen-Cannarella, S L (International Journal of Sports Medicine, 1994)