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Is seronegative rheumatoid arthritis true rheumatoid arthritis? A nationwide cohort study
OBJECTIVES: The classification of seronegative arthritides can be challenging. Our aim was to examine the incidence of SpA diagnosis among patients initially diagnosed as seronegative RA. METHODS: Using nationwide Finnish registers from social insurance institutions, we identified all adult patients...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Oxford University Press
2020
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8121445/ https://www.ncbi.nlm.nih.gov/pubmed/33175968 http://dx.doi.org/10.1093/rheumatology/keaa623 |