TY - CONF AU - Ziade, N. AU - El-Hajj, J. AU - Rassi, J. AU - Hlais, S. AU - Lopez-Medina, C. AU - Gamal, S. AU - Zorkany, B. AU - Dougados, M. AU - Baraliakos, X. PY - 2021 DO - 10.1136/annrheumdis-2021-eular.651 SN - 0003-4967 UR - https://hdl.handle.net/10668/25840 T2 - Annals of the rheumatic diseases LA - en PB - Bmj publishing group TI - ROOT JOINT INVOLVEMENT IN SPONDYLOARTHRITIS: A POST-HOC ANALYSIS FROM THE INTERNATIONAL ASAS-PERSPA STUDY TY - conference output VL - 80 ER -