No abstract available
MeSH terms
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Biopsy
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Duodenitis / diagnosis*
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Duodenitis / pathology
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Duodenoscopy
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Duodenum / pathology
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Endoscopy, Gastrointestinal*
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Gastric Mucosa / pathology
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Gastritis / complications
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Gastritis / diagnosis*
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Gastritis / pathology
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Gastroscopy
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Humans
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Peptic Ulcer / complications