Pazmino S, Lovik A, Westhovens R, Verschueren P, et al. Evaluation of Disease Burden by (Separate) Patient-reported, Clinical, and
Laboratory Factor Scores in Patients With Established Rheumatoid Arthritis: A
Factor Analysis Replication. J Rheumatol 2022 Jan 15. pii: jrheum.210871. doi: 10.3899/jrheum.210871.
PMID: 35034004