Platelet activation through triathlon competition in ultra-endurance trained athletes: impact of thrombin and plasmin generation and catecholamine release - Möckel, M.; Ulrich, N. V.; Heller, G. J.; Rocker, L.; Hansen, R.; Riess, H.; Patscheke, H.; Stork, T.; Frei, U.; Ruf, A. (International Journal of Sports Medicine, 2001)