Farhat, F., R. A. Asnir, A. Yudhistira, E. R. Daulay, and A. K. Lubis. “The Effectiveness of Frenotomy in the Treatment of Ankyloglossia: A Case Report from Adam Malik General Hospital Medan-Indonesia”. Bali Medical Journal, vol. 7, no. 1, Apr. 2018, pp. 192-4, doi:10.15562/bmj.v7i1.779.