No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Acute Disease
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Breath Tests
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Child
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Child, Preschool
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Enteritis / complications*
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Hospitalization
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Humans
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Infant
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Infant, Newborn
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Lactose Intolerance / complications*
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Lactose Intolerance / diagnosis
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Malabsorption Syndromes / complications*
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Nutritional Physiological Phenomena
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Urban Population