Clinical and cost effectiveness of progressive exercise compared to best practice advice, with or without corticosteroid injection, for the treatment of rotator cuff disorders: protocol for a 2x2 factorial randomised controlled trial (the GRASP trial) (BMJ Open, 2017)

(untitled) - Hopewell, S; Keene, D; Maia Schlüssel, M; Dritsaki, M; Dutton, S; Carr, A; Hamilton, W; Hansen, Z; Jaggi, A; Littlewood, C; Soutakbar, H; Heine, P; et al.