The Glu228Ala polymorphism in the ligand-binding domain of death receptor 4 is not associated with rheumatoid arthritis. Issue 7 (12th June 2008) - Yazdani-Biuki, B; Brickmann, K; Langsenlehner, U; Renner, W; Truschnig, M; Krippl, P; Fürst, F; Graninger, W B; Brezinschek, H-P