No abstract available
MeSH terms
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Abdominal Pain / diagnosis*
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Abdominal Pain / etiology
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Adolescent
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Age Factors
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Biopsy, Needle
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Child
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Child, Preschool
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Duodenoscopy / methods*
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Duodenum / pathology*
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Female
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Gastrointestinal Diseases / pathology*
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Humans
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Infant
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Male
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Retrospective Studies
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Sensitivity and Specificity