Kynurenines and aerobic exercise capacity in chronic kidney disease: A cross-sectional and longitudinal study. - Wallin, Helena; Jansson, Eva; Erhardt, Sophie; Wallquist, Carin; Hylander, Britta; Jacobson, Stefan H.; Caidahl, Kenneth; Rickenlund, Anette; Eriksson, Maria J. (PLoS ONE, 2025)