No abstract available
MeSH terms
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Aged, 80 and over
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Ampulla of Vater / pathology
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Ampulla of Vater / surgery*
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Biopsy, Needle
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Catheterization / methods*
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Cholangiopancreatography, Endoscopic Retrograde / methods*
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Choledocholithiasis / diagnostic imaging*
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Choledocholithiasis / surgery*
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Duodenoscopy / methods
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Female
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Humans
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Risk Assessment
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Severity of Illness Index
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Surgical Instruments
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Treatment Outcome