Lychagin, A., V. Cherepanov, M. Lipina, and I. Vyazankin. “Comparison of the Unilateral and the Bilateral Pedicle Screw Fixation Without Using an Interbody Cage: Randomized Clinical Trial”. Open Access Macedonian Journal of Medical Sciences, vol. 9, no. B, May 2021, pp. 398-02, doi:10.3889/oamjms.2021.6151.