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Top : Health : Conditions_and_Diseases : Digestive_Disorders : Esophagus
  		• Cancer@
  		• Cyclic Vomiting Syndrome@
  		• Dysphagia@
  		• Reflux Disease
  		• Varices
    Sites:
  		• Achalasia: Introduction to this disorder, with symptoms, diagnosis, treatment, risks and the prognosis.
  		• Achalasia: Find definition of this disorder and gives its causes, incidence and risk factors.
  		• Barrett's Esophagus: Provides an illustrated explanation of causes, symptoms and diagnosis. Includes recommendations for patients, and outlines the role of medication and surgery.
  		• Disorders of Esophagus More Common In Older Adults: Article about the relationship between esophageal disease and age.
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