title: Correlation of fiberoptic endoscopy and x-ray in gastro-esophageal lesions.
mesh_terms: D004935:Esophageal Diseases / Q000175:diagnosis*; D004945:Esophagoscopy; D005336:Fiber Optic Technology; D005773:Gastroscopy; D006801:Humans; D013272:Stomach Diseases / Q000175:diagnosis*