No abstract available
MeSH terms
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Belgium
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COVID-19 / complications
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COVID-19 / diagnostic imaging*
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Emergency Service, Hospital*
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Female
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France
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Humans
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Lung / diagnostic imaging
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Male
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Observational Studies as Topic
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Reference Standards
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Respiratory Insufficiency / diagnostic imaging*
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Respiratory Insufficiency / etiology
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Risk Assessment
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Ultrasonography / statistics & numerical data