No abstract available
MeSH terms
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Child
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Esophageal Sphincter, Lower / drug effects
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Esophageal Sphincter, Lower / physiopathology
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Gastroesophageal Reflux / drug therapy*
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Gastroesophageal Reflux / etiology
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Gastroesophageal Reflux / physiopathology
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Humans
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Muscle Relaxation / drug effects