No abstract available
MeSH terms
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Deglutition Disorders / etiology*
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Esophageal Achalasia / complications
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Esophageal Achalasia / physiopathology
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Esophageal Achalasia / surgery*
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Esophageal Spasm, Diffuse / etiology
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Esophageal Spasm, Diffuse / physiopathology
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Esophageal Spasm, Diffuse / surgery*
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Esophagoscopy* / methods
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Humans
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Male
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Manometry
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Middle Aged
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Muscle Contraction
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Treatment Outcome