Effectiveness of intramuscular corticosteroid injection versus intra-articular injection in patients with knee osteoarthritis: design of an open pragmatic randomized controlled trial. (April 2018) - Mol, M.F.; Bierma-Zeinstra, S.M.; Dorleijn, D.M.; Bos, P.K.; Vis, M.; Gussekloo, J.; Bindels, P.J.; Luijsterburg, P.A.