RT Conference Proceedings T1 HLA-B27 ROLE IN ANKYLOSING SPONDYLITIS PHENOTYPE: RESULTS FROM THE REGISPONSER DATABASE A1 Arevalo, M. A1 Font, P. A1 Moreno, M. A1 Ruiz, D. A1 Castro, M. A1 Carreto, P. A1 Larrosa, M. A1 Collantes, E. A1 Gratacos, J. A1 REGISPONSER Grp, PB Bmj publishing group SN 0003-4967 YR 2017 FD 2017-06-01 LK https://hdl.handle.net/10668/25416 UL https://hdl.handle.net/10668/25416 LA en DS RISalud RD Apr 14, 2025