No abstract available
Publication types
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Letter
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Multicenter Study
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Observational Study
MeSH terms
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Aged
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COVID-19 / complications*
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COVID-19 / mortality
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COVID-19 / therapy*
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Comorbidity
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Demography
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Female
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Humans
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Male
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Michigan / epidemiology
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Middle Aged
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Respiration, Artificial*
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Retrospective Studies
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Treatment Outcome