No abstract available
MeSH terms
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Catheterization / methods
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Child, Preschool
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Down Syndrome / complications*
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Esophageal Motility Disorders / complications
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Esophageal Motility Disorders / diagnosis*
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Esophageal Motility Disorders / therapy
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Esophageal Sphincter, Upper / diagnostic imaging
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Esophageal Sphincter, Upper / physiopathology*
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Fluoroscopy
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Follow-Up Studies
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Humans
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Male
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Manometry
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Pressure