No abstract available
MeSH terms
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Aged
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Ampulla of Vater*
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Bezoars / diagnosis
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Bezoars / etiology*
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Cholangiography
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Cholangiopancreatography, Endoscopic Retrograde
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Cholestasis, Extrahepatic / surgery
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Common Bile Duct / surgery
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Diagnosis, Differential
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Female
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Humans
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Postoperative Complications
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Sphincterotomy, Endoscopic / adverse effects*