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Sifuentes Giraldo, WA, C. Guillén Astete, ML Gámir Gámir, S. Pérez Vicente, L. Carmona, and JJ Gómez-Reino. PReS-FINAL-2168: Comparison of Safety and Retention Rate of TNF Antagonist Therapy in Juvenile-onset and Adult-onset Ankylosing Spondylitis: Data From the Spanish Registry Biobadaser 2.0. BioMed Central, 2013.

Sifuentes Giraldo, WA, et al. PReS-FINAL-2168: Comparison of Safety and Retention Rate of TNF Antagonist Therapy in Juvenile-onset and Adult-onset Ankylosing Spondylitis: Data From the Spanish Registry Biobadaser 2.0. BioMed Central, 2013.