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MeSH terms
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Barium Sulfate
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Duodenal Ulcer / diagnostic imaging
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Duodenum / diagnostic imaging*
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Endoscopy
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Gastritis / diagnostic imaging
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Humans
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Polyps / diagnostic imaging
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Radiography
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Stomach / diagnostic imaging*
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Stomach Neoplasms / diagnostic imaging
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Stomach Neoplasms / secondary
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Stomach Ulcer / diagnostic imaging