No abstract available
MeSH terms
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Biopsy, Needle
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Child, Preschool
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Chronic Disease
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Diet Therapy
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Duodenal Diseases / etiology
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Duodenum / pathology
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Female
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Gastric Mucosa / pathology
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Gastritis / etiology
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Humans
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Infant
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Intestinal Mucosa / pathology*
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Male
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Phenylketonurias / complications
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Phenylketonurias / pathology*
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Phenylketonurias / therapy