Anti-Sa antibodies and antibodies against cyclic citrullinated peptide are not equivalent as predictors of severe outcomes in patients with recent-onset polyarthritis
Gilles Boire*, Pierre Cossette, Artur J de Brum-Fernandes, Patrick Liang, Théophile Niyonsenga, Zhijie J Zhou, Nathalie Carrier, Claude Daniel and Henri-A Ménard