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Journal
- journal of gastroenterology and hepatology12
- digestive diseases and sciences8
- world journal of gastroenterology8
- plos one6
- the korean journal of gastroenterology = taehan sohwagi hakhoe chi5
- the korean journal of gastroenterology4
- journal of clinical gastroenterology3
- surgical endoscopy3
- the korean journal of helicobacter and upper gastrointestinal research3