No abstract available
MeSH terms
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Aged
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Anti-Dyskinesia Agents / therapeutic use*
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Botulinum Toxins / therapeutic use*
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Deglutition Disorders / etiology*
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Esophageal Spasm, Diffuse / diagnosis*
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Esophageal Spasm, Diffuse / drug therapy*
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Esophageal Spasm, Diffuse / physiopathology
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Esophagoscopy*
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Female
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Humans
Substances
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Anti-Dyskinesia Agents
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Botulinum Toxins