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MERCK MANUAL
Consumer Version
Diagnosis of Digestive Disorders
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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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