Toluidine blue.
Mashberg
A
A
D002294:Carcinoma, Squamous Cell / Q000175:diagnosis*; D004396:Coloring Agents; D004919:Erythroplasia / Q000175:diagnosis; D005189:False Positive Reactions; D006801:Humans; D009062:Mouth Neoplasms / Q000175:diagnosis*; D014048:Tolonium Chloride
D004396:Coloring Agents; D014048:Tolonium Chloride