Polyautoimmunity in Patients With Anticyclic Citrullinated Peptide Antibody–Positive and –Negative Rheumatoid Arthritis: a Nationwide Cohort Study From Denmark

Salome Kristensen, Amalie M. Hagelskjær, René Cordtz, Sofie Bliddal, Anders S. Mortensen, Claus H. Nielsen, Ulla Feldt-Rasmussen, Karen B. Lauridsen, Lene Dreyer

The Journal of Rheumatology Apr 2024, 51 (4) 350-359; DOI: 10.3899/jrheum.2023-0907