No abstract available
Keywords:
COVID-19; arthritis; epidemiology; rheumatoid.
MeSH terms
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Arthritis, Rheumatoid*
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Autoimmune Diseases* / epidemiology
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COVID-19*
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Hospitalization
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Hospitals
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Humans
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Rheumatic Diseases* / complications
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Rheumatic Diseases* / epidemiology
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Risk Factors