Identification of the first signs or symptoms in different spondyloarthritis subtypes and their association with HLA-B27: Data from REGISPONSER and RESPONDIA registries

MARÍA LOURDES LADEHESA PINEDAE. CLEMENTINA LÓPEZ MEDINAALEJANDRO ESCUDERO CONTRERASALEJANDRO ESCUDERO CONTRERASEDUARDO COLLANTES ESTÉVEZ2026-01-292026-01-29202310.1136/rmdopen-2023-0032352-s2.0-85171959467https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/36929ImmunologyImmunology and AllergyRheumatologyIdentification of the first signs or symptoms in different spondyloarthritis subtypes and their association with HLA-B27: Data from REGISPONSER and RESPONDIA registriesresearch article