Rezvani , Y. ., N. . Askarizadeh, A. Heydari, F. . Efafi, L. Eftekhar, and P. Zarnegarnia. “Spontaneously Healed Horizontal Root Fracture: A Case Report”. Journal of Dental School, Shahid Beheshti University of Medical Sciences, vol. 37, no. 4, Nov. 2020, pp. 143-5, doi:10.22037/jds.v37i4.31756.