N. Mehmi, A. Kairo, A. Singh, and R. Kumar, Trans., “Ectopic Supernumerary Tooth as a Nidus for Rhinolith Formation”, Indian J Case Reports, vol. 5, no. 2, pp. 145–147, Apr. 2019, doi: 10.32677/IJCR.2019.v05.i02.017.