RT Conference Proceedings T1 ROOT JOINT INVOLVEMENT IN SPONDYLOARTHRITIS: A POST-HOC ANALYSIS FROM THE INTERNATIONAL ASAS-PERSPA STUDY A1 Ziade, N. A1 El-Hajj, J. A1 Rassi, J. A1 Hlais, S. A1 Lopez-Medina, C. A1 Gamal, S. A1 Zorkany, B. A1 Dougados, M. A1 Baraliakos, X. PB Bmj publishing group SN 0003-4967 YR 2021 FD 2021-06-01 LK https://hdl.handle.net/10668/25840 UL https://hdl.handle.net/10668/25840 LA en DS RISalud RD Apr 8, 2025