title: Guidelines for fiberoptic examination in upper gastrointestinal bleeding.
mesh_terms: D001803:Blood Transfusion; D004379:Duodenal Neoplasms / Q000150:complications; D004381:Duodenal Ulcer / Q000150:complications; D019723:Endoscopes; D004724:Endoscopy / Q000379:methods; D004932:Esophageal and Gastric Varices / Q000150:complications; D004941:Esophagitis / Q000150:complications; D004945:Esophagoscopy; D005336:Fiber Optic Technology; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000209:etiology; D005773:Gastroscopy; D006801:Humans; D001239:Inhalation; D008309:Mallory-Weiss Syndrome / Q000150:complications; D010348:Patient Care Team; D012008:Recurrence; D013276:Stomach Ulcer / Q000150:complications; D013997:Time Factors