Costello RE, Humphreys JH, Sergeant JC, Haris M, et al. Symptoms in first-degree relatives of patients with rheumatoid arthritis:
evaluation of cross-sectional data from the symptoms in persons at risk of
rheumatoid arthritis (SPARRA) questionnaire in the PRe-clinical EValuation of
Novel Targets in RA (PRE Arthritis Res Ther 2021;23:210.
PMID: 34380557