No abstract available
MeSH terms
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Calcium Channel Blockers / therapeutic use
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Deglutition Disorders / etiology*
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Endoscopy, Digestive System
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Esophageal Spasm, Diffuse / complications
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Esophageal Spasm, Diffuse / diagnosis*
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Esophageal Spasm, Diffuse / drug therapy
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Humans
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Male
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Manometry
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Middle Aged