No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Cholangiopancreatography, Endoscopic Retrograde
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Cholecystectomy
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Common Bile Duct Neoplasms / diagnostic imaging*
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Common Bile Duct Neoplasms / surgery
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Diagnosis, Differential
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Female
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Humans
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Polyps / diagnostic imaging*
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Polyps / surgery