title: [Diagnosis of digestive diseases with laser endoscopy].
mesh_terms: D001128:Argon; D005773:Gastroscopy / Q000379:methods*; D006801:Humans; D007834:Lasers; D011127:Polyps / Q000175:diagnosis; D013274:Stomach Neoplasms / Q000175:diagnosis*
chemical_list: D001128:Argon