P. Yadav, B. K. Yadav, R. K. Thakur, P. Kataria, and P. K. Soni, “Comparative Evaluation of Gingival Depigmentation Using Scalpel, Diode Laser, Vitamin C, and Bur Abrasion Techniques: A Case Series”, Clinical Journal of Plastic and Reconstructive Surgery, vol. 4, no. 1, pp. 25–28, Aug. 2026.