title: Toluidine blue staining of metastatic carcinoma to the oral cavity.
mesh_terms: D004396:Coloring Agents; D005882:Gingival Diseases / Q000175:diagnosis; D005887:Gingival Neoplasms / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged; D009062:Mouth Neoplasms / Q000175:diagnosis*; D009362:Neoplasm Metastasis / Q000175:diagnosis; D010640:Phenothiazines; D013194:Staining and Labeling; D014048:Tolonium Chloride
chemical_list: D004396:Coloring Agents; D010640:Phenothiazines; D014048:Tolonium Chloride