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Journal
- gastrointestinal endoscopy33
- gastroenterology16
- american journal of gastroenterology11
- gastrointestinal endoscopy clinics of north america4
- lasers in surgery and medicine3
- the american journal of gastroenterology3
- clinical gastroenterology and hepatology2
- clinical gastroenterology and hepatology : the official clinical practice journal of the american gastroenterological association2
- diseases of the esophagus2