title: Fibreoptic endoscopy in the investigation of upper gastrointestinal disease in Goroka.
mesh_terms: D000293:Adolescent; D000328:Adult; D004724:Endoscopy; D004938:Esophageal Neoplasms / Q000175:diagnosis; D005260:Female; D005336:Fiber Optic Technology; D005767:Gastrointestinal Diseases / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000175:diagnosis; D013274:Stomach Neoplasms / Q000175:diagnosis