No abstract available
MeSH terms
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Adult
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Aged
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Biopsy, Needle / instrumentation*
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Endoscopes, Gastrointestinal*
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Equipment Design
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Female
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Gastrointestinal Neoplasms / diagnostic imaging
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Gastrointestinal Neoplasms / pathology*
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Humans
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Lymph Nodes / diagnostic imaging
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Lymph Nodes / pathology*
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Lymphatic Metastasis
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Male
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Middle Aged
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Neoplasm Staging
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Ultrasonography / instrumentation*