No abstract available
MeSH terms
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Adult
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Endoscopy, Gastrointestinal
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Enterochromaffin Cells
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Gastrins / blood*
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Humans
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Male
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Neuroendocrine Tumors / blood*
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Neuroendocrine Tumors / diagnostic imaging
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Neuroendocrine Tumors / etiology
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Neuroendocrine Tumors / pathology*
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Parietal Cells, Gastric / metabolism*
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Stomach Neoplasms / blood*
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Stomach Neoplasms / diagnostic imaging
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Stomach Neoplasms / etiology
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Stomach Neoplasms / pathology*