Natural autoantibodies reactive to glycosaminoglycans are disease state markers in rheumatoid arthritis and are associated with HLA. (9th March 2010) - György, B; Tóthfalusi, L; Nagy, G; Pásztói, M; Géher, P; Polgár, A; Rojkovich, B; Ujfalussy, I; Misják, P; Koncz, A; Pozsonyi, E; Füst, G; et al.