RT Journal Article SR Electronic T1 Patient research partner involvement in rheumatology clinical trials: analysis of journal articles 2016–2020 JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP annrheumdis-2021-220138 DO 10.1136/annrheumdis-2021-220138 A1 Huixin Wang A1 Sarah Stewart A1 Ben Darlow A1 Ben Horgan A1 Graham Hosie A1 Jane Clark A1 Nicola Dalbeth YR 2021 UL http://ard.bmj.com/content/early/2021/02/28/annrheumdis-2021-220138.abstract AB