title: A new prototype, 1-channel 4-way tip control pediatric upper gastrointestinal fiberscope.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004386:Duodenum; D019723:Endoscopes; D005336:Fiber Optic Technology / Q000295:instrumentation*; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000209:etiology; D020699:Gastroscopes; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010372:Pediatrics / Q000295:instrumentation