No abstract available
MeSH terms
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Aged
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Bile Duct Neoplasms / diagnosis
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Bile Duct Neoplasms / epidemiology*
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Bile Ducts, Intrahepatic*
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Cholangiocarcinoma / diagnosis
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Cholangiocarcinoma / epidemiology*
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Female
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Humans
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Incidence
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Male
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Middle Aged
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Morbidity / trends
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Retrospective Studies
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SEER Program*
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Survival Rate / trends
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United States / epidemiology