Boteva, E., and S. Yantscheva. 2026. “Apical Conical Size of the Root Lengths: An Anatomical Comparative Study of Significance to Minimally Invasive Endodontics”. Acta Medica Bulgarica 53 (Suppl 1): 30-35. https://doi.org/10.2478/AMB-2026-0004.