[Management of upper gastrointestinal bleeding. 3. Endoscopic investigations].
D003951:Diagnostic Errors; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D005773:Gastroscopy; D006801:Humans; D008722:Methods
Handläggandet av övre gastro-intestinal blödning. 3. Endoskopisk undersökning.