Proof-of-concept of a prior validated LC-MS/MS method for detection of N -lactoyl-phenylalanine in dried blood spots before, during and after a performance diagnostic test of junior squad triathletes. - Bauhaus, H.; Möller, T.; Keller, S.; Thomas, A.; Braun, H.; Wahl, P.; Thevis, M. (Frontiers in Sports & Active Living, 2025)