Gabriel, H. H. W., Mueller, H., Urhausen, A., & Kindermann, W. (1994). Suppressed PMA-induced oxidative burst and unimpaired phagocytosis of circulating granulocytes one week after a long endurance exercise. International journal of sports medicine, 15(7), S. 441-445. doi:10.1055/s-2007-1021085

Gabriel, Holger Horst Werner, H.J Mueller, A. Urhausen, and W. Kindermann. "Suppressed PMA-induced Oxidative Burst and Unimpaired Phagocytosis of Circulating Granulocytes One Week After a Long Endurance Exercise." International Journal of Sports Medicine 15, no. 7 (1994): S. 441-445.

Gabriel, Holger Horst Werner, H.J Mueller, A. Urhausen, and W. Kindermann. "Suppressed PMA-induced Oxidative Burst and Unimpaired Phagocytosis of Circulating Granulocytes One Week After a Long Endurance Exercise." International Journal of Sports Medicine 15.7 (1994): S. 441-445.