No abstract available
MeSH terms
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Adult
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Aged
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Betacoronavirus*
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COVID-19
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China / epidemiology
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Coronavirus Infections / complications*
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Coronavirus Infections / epidemiology
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Digestive System Diseases / complications
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Digestive System Diseases / surgery*
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Disease Transmission, Infectious / prevention & control*
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Emergencies*
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Emergency Medical Services / standards*
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Humans
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Male
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Middle Aged
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Pandemics
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Pneumonia, Viral / complications*
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Pneumonia, Viral / epidemiology
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SARS-CoV-2
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Surgical Procedures, Operative / standards*