Hewlett, S, Almeida, C, Ambler, N, Blair, PS, Choy, E, Dures, E, Hammond, A, Hollingworth, W, Kadir, B, Kirwan, J, Plummer, Z, Rooke, C, Thorn, J, Turner, N, Pollock, J, "Group cognitive–behavioural programme to reduce the impact of rheumatoid arthritis fatigue: the RAFT RCT with economic and qualitative evaluations", Health Technology Assessment, 2019