Deletion of either CD55 or CD97 ameliorates arthritis. (4th April 2011) - Hoek, R M; de Launay, D; Kop, E N; Yilmaz-Elis, A S; Karpus, O; Lin, F; Reedquist, K A; Verbeek, J S; Medof, M E; Tak, P P; Hamann, J