For citations:
Yusupova A.F., Gerasimova L.P., Usmanova I.N., Sorokin A.P. Comparative characteristic of standards of the optical density of bone tissue in the periapical region at persons of young age. Endodontics Today. 2018;16(3):35-38. (In Russ.) https://doi.org/10.25636 / PMP.2.2018.3.8
