No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Antibodies, Anticardiolipin / blood*
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COVID-19 / blood
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COVID-19 / diagnosis*
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Female
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Humans
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Immunoglobulin G / blood*
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Male
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Middle Aged
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Risk Factors
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Severity of Illness Index
Substances
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Antibodies, Anticardiolipin
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Immunoglobulin G