Rheumatoid factor and anti-citrullinated protein antibody positivity, but not level, are associated with increased mortality in patients with rheumatoid arthritis: results from two large independent cohorts
Crossref DOI link: https://doi.org/10.1186/s13075-014-0483-3
Published Online: 2014-12-04
Published Print: 2014-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Humphreys, Jennifer H
van Nies, Jessica AB
Chipping, Jackie
Marshall, Tarnya
van der Helm-van Mil, Annette HM
Symmons, Deborah PM
Verstappen, Suzanne MM
License valid from 2014-12-01