No abstract available
MeSH terms
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Aged
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Cholangiopancreatography, Endoscopic Retrograde*
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Cholelithiasis / diagnosis*
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Diagnosis, Differential
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Gallbladder Neoplasms / diagnosis*
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Gallbladder Neoplasms / secondary*
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Humans
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Male
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Melanoma / diagnosis*
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Melanoma / secondary*
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Skin Neoplasms / pathology