Autoantibodies identify primary Sjögren's syndrome in patients lacking serum IgG specific for Ro/SS-A and La/SS-B
Ann Rheum Dis. 2023 May 5:ard-2022-223105. doi: 10.1136/ard-2022-223105. Online ahead of print.
ABSTRACT
OBJECTIVE: Identify autoantibodies in anti-Ro/SS-A negative primary Sjögren's syndrome (SS).