No abstract available
MeSH terms
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Adult
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Asthma / drug therapy*
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Asthma / epidemiology*
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Biological Products / therapeutic use*
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COVID-19 / epidemiology*
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Cohort Studies
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Comorbidity
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Disease Outbreaks
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Female
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Humans
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Male
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Middle Aged
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Retrospective Studies
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SARS-CoV-2
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Severity of Illness Index
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Spain / epidemiology