Coexistence of spondyloarthropathy and multiple sclerosis: a series of 21 cases. Issue 6 (12th May 2008) - Wendling, D; Flipo, R-M; Breban, M; Bouquillard, E; Varin, S; Dernis, E; Frocrain, L; Gaborit, P; Lioté, F; Martin, A; Sichère, P