No abstract available
MeSH terms
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Biopsy
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Catecholamines / metabolism
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Child
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Child, Preschool
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Fluorescent Antibody Technique
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Histocytochemistry
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Humans
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Infant
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Infant, Newborn
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Intestinal Mucosa / innervation
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Intestinal Mucosa / metabolism
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Megacolon / diagnosis*
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Megacolon / metabolism
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Methods