title: [Diagnosis of gastric cancer using improved GFB (gastro-fiberscope) attached with a GM tube].
mesh_terms: D005336:Fiber Optic Technology; D005773:Gastroscopy; D006801:Humans; D011877:Radionuclide Imaging / Q000295:instrumentation; D013274:Stomach Neoplasms / Q000175:diagnosis*