Endurance run increases circulating IL-6 and IL-1ra but downregulates ex vivo TNF-α and IL-1β production. - Drenth,J.P.; van Uum,S.H.; van Deuren,M.; Pesman,G.J.; van der ven Jongekrug,J.; van der Meer,J.W. (J Appl Physiol, 1995)