Immunological response and match performance of professional tennis players of different age groups during a competitive season - Kozlowska, M.; Zurek, P.; Rodziewicz, E.; Góral, K.; Zmijewski, P.; Lipinska, P.; Laskowski, R.; Walentukiewicz, A. K.; Antosiewicz, J.; Ziemann, E. (The Journal of Strength and Conditioning Research, 2021)