No abstract available
Publication types
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Digestive System Diseases / diagnosis*
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Endoscopy, Gastrointestinal / standards
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Endoscopy, Gastrointestinal / statistics & numerical data*
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Follow-Up Studies
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Humans
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Quality Improvement*
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Retrospective Studies
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Total Quality Management / methods*