Emergent and therapeutic upper gastrointestinal endoscopy in children.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004630:Emergencies; D004935:Esophageal Diseases / Q000628:therapy*; D020701:Esophagoscopes; D020699:Gastroscopes; D006801:Humans; D007223:Infant; D013272:Stomach Diseases / Q000628:therapy*