'Oscopy' in children. Gastroduodenoscopy.
D000328:Adult; D004378:Duodenal Diseases / Q000175:diagnosis; D005336:Fiber Optic Technology; D005767:Gastrointestinal Diseases / Q000175:diagnosis*; D005773:Gastroscopy; D006801:Humans; D007223:Infant; D013274:Stomach Neoplasms / Q000175:diagnosis*