Endurance run increases circulating IL-6 and IL-1ra but downregulates ex vivo TNF-α and IL-1β production. - Drenth,J.PH.; Van Uum,S.HM.; Van Deuren,M.; Pesman,G.J.; van der Ven-Jongekrijg,J.; van der Meer,J.WM. (J Appl Physiol, 1995)