No abstract available
MeSH terms
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Biliary Tract Neoplasms / surgery*
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COVID-19 / epidemiology
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COVID-19 / prevention & control*
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Health Services Accessibility / trends*
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Humans
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Liver Neoplasms / surgery*
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Pancreatic Neoplasms / surgery*
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Pandemics / prevention & control
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Patient Acceptance of Health Care / statistics & numerical data*
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Practice Patterns, Physicians' / trends*
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Retrospective Studies
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Scandinavian and Nordic Countries / epidemiology