Bayad, H. C., S. Bhagat, D. Sahni, N. Kaur, R. Singh, D. K. Sharma, and B. Singh. “The Study of Use of Toluidine Blue As an Adjunctive Tool to Clinical Examination in Early Diagnosis of Clinically Suspicious Oral Premalignant and Malignant Lesions: A Study of Fifty Cases”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 5, no. 6, Oct. 2019, pp. 1585-92, doi:10.18203/issn.2454-5929.ijohns20194931.