J.-M. Berthelot

Factors linked to disease activity in a French cohort of patients with spondyloarthropathy.

F. Roudot-thoraval, P. Vergne, X. Chevalier, 1998, The Journal of rheumatology.

Ability of hand radiographs to predict a further diagnosis of rheumatoid arthritis in patients with early arthritis.

A. Saraux, P. Youinou, A. Martin, 2001, The Journal of rheumatology.