Does elite European match-play affect salivary immunoglobulin-A and cortisol in soccer players [?]: The influence of playing status and match outcome - Morgans, R; Oliveira, R; Rhodes, D; Orme, P; Ceylan, H. I; González-Fernández, F. T; Linán-González, A; Moreira, Alexandre (Frontiers in Physiology, 2024)