Hammond, A, Sutton, C, Cotterill, S, Woodbridge, S, O’Brien, R, Radford, K, Forshaw, D, Verstappen, S, Jones, C, Marsden, A, Eden, M, Prior, Y, Culley, J, Holland, P, Walker-Bone, K, Hough, Y, O’Neill, TW, Ching, A, Parker, J, "The effect on work presenteeism of job retention vocational rehabilitation compared to a written self-help work advice pack for employed people with inflammatory arthritis: protocol for a multi-centre randomised controlled trial (the WORKWELL trial)", BMC Musculoskeletal Disorders, 2020