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Clinical features in primary care electronic records before diagnosis of ankylosing spondylitis: a nested case-control study
BACKGROUND: Ankylosing spondylitis (AS) often has a long period from first symptom presentation to diagnosis. We examined the occurrence of symptoms, prescriptions and diagnostic tests in primary care electronic records over time prior to a diagnosis of AS. METHODS: Nested case-control study using a...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2020
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7201706/ https://www.ncbi.nlm.nih.gov/pubmed/32375655 http://dx.doi.org/10.1186/s12875-020-01149-2 |