AB0539 Prevalence of Primary SjÖGren's Syndrome in Byelorussian Population and Secondary SjÖGren's Syndrome Frequency in Rheumatoid Arthritis, Systemic Lupus Erythematosus and Systemic Sclerosis Patients

Abstract

BackgroundThe prevalence of Sjögren's syndrome (Ss), both primary and secondary, varies from 0.1% to 0.6% in European Union countries [1]. The prevalence of Ss has been studied in Belarus neither...