The role of biopsy in fiberoptic esophagogastroscopy; with report of five illustrative cases.
D000368:Aged; D001706:Biopsy; D004945:Esophagoscopy; D005260:Female; D005336:Fiber Optic Technology; D005767:Gastrointestinal Diseases / Q000175:diagnosis*; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000175:diagnosis; D013274:Stomach Neoplasms / Q000175:diagnosis*