No abstract available
MeSH terms
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Aged, 80 and over
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Bile Ducts, Intrahepatic / pathology
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Biopsy
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Cholangiopancreatography, Endoscopic Retrograde
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Cholestasis, Intrahepatic / pathology
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Cholestasis, Intrahepatic / therapy*
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Endoscopes, Gastrointestinal*
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Equipment Design
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Humans
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Male
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Polyps / pathology
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Polyps / therapy
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Sphincterotomy, Endoscopic
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Stents*