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  2. Quick Facts: Digestive Disorders/
  3. Diagnosis of Digestive Disorders/
    Diagnosis of Digestive Disorders
    • Acid-Related and Reflux-Related Tests
      • What are the tests for acid reflux?
        • Catheter-based monitoring
        • Wireless monitoring
    • Endoscopy
      • What is an endoscope?
      • What is endoscopy?
      • Why do doctors do endoscopy?
      • How do I get ready for an upper endoscopy?
      • How do I get ready for a lower endoscopy (colonoscopy)?
      • What happens when I have endoscopy?
      • Is endoscopy safe?
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