RT Conference Proceedings T1 ROLE OF HLA-B27 CARRIERSHIP IN PERIPHERAL SPONDYLOARTHRITIS: DATA FROM ASAS PERSPA STUDY A1 Arevalo, M. A1 Lopez-Medina, C. A1 Navarro-Compan, V. A1 Moreno, M. A1 Llop Vilaltella, M. A1 Calvet, J. A1 Gratacos-Masmitja, J. A1 Dougados, M. A1 ASAS Grp, PB Bmj publishing group SN 0003-4967 YR 2021 FD 2021-06-01 LK https://hdl.handle.net/10668/25588 UL https://hdl.handle.net/10668/25588 LA en DS RISalud RD Apr 12, 2025