A RANDOMIZED, CROSS-OVER STUDY TO INVESTIGATE THE EFFECT OF WEIGHT-BEARING VS NON-WEIGHT-BEARING EXERCISE AND CARDIOVASCULAR STRESS ON TYPE II COLLAGEN TURNOVER IN PATIENTS WITH KNEE OSTEOARTHRITIS - SERUM BIOMARKER DATA FROM THE EFEX-OA-02 STUDY. (April 2022) - Bjerre-Bastos, J.J.; Sejersen, C.; Nielsen, H.B.; Boesen, M.; Secher, N.H.; Distajo, G.; Flood, V.; Henrotin, Y.; Uebelhoer, M.; Mackey, A.; Krustrup, P.; Kitchen, C.-C.; et al.