No abstract available
MeSH terms
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Betacoronavirus*
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Biliary Tract Neoplasms / epidemiology
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Biliary Tract Neoplasms / surgery*
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COVID-19
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Comorbidity
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Coronavirus Infections / epidemiology*
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Digestive System Surgical Procedures / methods*
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Humans
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Liver Neoplasms / epidemiology
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Liver Neoplasms / surgery*
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Pancreatic Neoplasms / epidemiology
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Pancreatic Neoplasms / surgery*
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Pandemics*
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Pneumonia, Viral / epidemiology*
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Postoperative Period
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SARS-CoV-2
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United Kingdom / epidemiology