Increasing incidence of autoantibody-negative RA is replicated and is partly explained by an aging population
X. Matthijssen, T. Huizinga, Annette H M van der Helm–van Mil
Topics & Concepts
MedicineIncidence (geometry)AutoantibodyRheumatologyRheumatoid factorRheumatoid arthritisInternal medicinePopulationCohortImmunologyAntibodyPhysicsEnvironmental healthOpticsRheumatoid Arthritis Research and TherapiesSystemic Lupus Erythematosus ResearchMonoclonal and Polyclonal Antibodies Research