No abstract available
MeSH terms
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Chest Pain / etiology*
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Chest Pain / physiopathology
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Chi-Square Distribution
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Esophageal Motility Disorders / complications
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Esophageal Motility Disorders / physiopathology*
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Esophagus / physiopathology*
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Humans
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Hydrogen-Ion Concentration
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Monitoring, Physiologic
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Pressure