Changes in CD4+CD69, CD8+CD69 and monocytes CD14- following 2 days of high intensity interval training and after one day of recovery in well trained junior cross-country skiers - Kadi, F.; Wernstedt, I.; Gustafsson, H.; Folkesson, M.; Fäldt, J. (Book of Abstracts - 9th Annual Congress European College of Sport Science, July 3-6, 2004, Clermont-Ferrand, France, 2004)