No abstract available
MeSH terms
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Duodenal Neoplasms / analysis*
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Gastric Mucosa / analysis*
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Gastrinoma / analysis*
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Gastrins / analysis*
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Glycine / analysis*
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Humans
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Pancreatic Neoplasms / analysis*
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Protein Precursors / analysis*
Substances
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Gastrins
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Protein Precursors
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big gastrin
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Glycine