Gyorgy, Tothfalusi, Nagy, Pasztoi, Geher, Polgar, Rojkovich, Ujfalussy, Misjak, Koncz, Pozsonyi, Fust, Falus, Buzas, 2010. Natural autoantibodies reactive to glycosaminoglycans are disease state markers in rheumatoid arthritis and are associated with HLA 69.. https://doi.org/10.1136/ard.2010.129577c