No abstract available
MeSH terms
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Adult
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Betacoronavirus / pathogenicity*
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COVID-19
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China / epidemiology
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Comorbidity
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Coronavirus Infections* / epidemiology
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Coronavirus Infections* / prevention & control
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Coronavirus Infections* / transmission
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Cross Infection* / etiology
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Cross Infection* / prevention & control
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Digestive System Diseases / diagnosis
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Digestive System Diseases / epidemiology
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Digestive System Diseases / surgery
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Disease Transmission, Infectious* / prevention & control
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Disease Transmission, Infectious* / statistics & numerical data
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Endoscopy, Digestive System* / adverse effects
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Endoscopy, Digestive System* / methods
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Female
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Humans
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Male
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Pandemics / prevention & control
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Pandemics / statistics & numerical data*
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Pneumonia, Viral* / epidemiology
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Pneumonia, Viral* / prevention & control
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Pneumonia, Viral* / transmission
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Protective Devices / classification
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SARS-CoV-2