Trials, Vol 22, Iss 1, Pp 1-16 (2021) Bandak, E, Overgaard, A F, Kristensen, L E, Ellegaard, K, Guldberg-Møller, J, Bartholdy, C, Hunter, D J, Altman, R D, Christensen, R, Bliddal, H & Henriksen, M 2021, ' Exercise therapy and patient education versus intra-articular saline injections in the treatment of knee osteoarthritis : an evidence-based protocol for an open-label randomised controlled trial (the DISCO trial) ', Trials, vol. 22, 18 . https://doi.org/10.1186/s13063-020-04952-5 Trials Bandak, E, Overgaard, A F, Kristensen, L E, Ellegaard, K, Guldberg-Møller, J, Bartholdy, C, Hunter, D J, Altman, R D, Christensen, R, Bliddal, H & Henriksen, M 2021, ' Exercise therapy and patient education versus intra-articular saline injections in the treatment of knee osteoarthritis : an evidence-based protocol for an open-label randomised controlled trial (the DISCO trial) ', Trials, vol. 22, no. 1, 18 . https://doi.org/10.1186/s13063-020-04952-5