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Digestive System Endoscopy
Intubation
Gastrointestinal Endoscopy
Practice Guidelines as Topic
ROC Curve
Patient Selection
Cross-Sectional Studies
Prospective Studies
Digestive System Diseases
Italy
Upper Gastrointestinal Tract
Beclomethasone
Bismuth
Clarithromycin
Ranitidine
Histamine H2 Antagonists
Anti-Ulcer Agents
Regional Health Planning
Neural Networks (Computer)
Gastroenterology
Co-Publications
4
3
2
1
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