Endoscopy in pediatric patients with upper gastrointestinal bleeding.
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004724:Endoscopy; D006396:Hematemesis / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D008551:Melena / Q000175:diagnosis*