Strengthening And stretching for Rheumatoid Arthritis of the Hand (SARAH). A randomised controlled trial and economic evaluation oleh Mark A Williams, Esther M Williamson, Peter J Heine, Vivien Nichols, Matthew J Glover, Melina Dritsaki, Jo Adams, Sukhdeep Dosanjh, Martin Underwood, Anisur Rahman, Christopher McConkey, Joanne Lord, Sarah E Lamb, on behalf of the SARAH trial group