title: Fluorescence techniques in the diagnosis of malignant lesions of the gastrointestinal tract.
mesh_terms: D005453:Fluorescence; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis*; D005773:Gastroscopy; D006801:Humans; D013752:Tetracycline
chemical_list: D013752:Tetracycline