For citations:
Zakharin V.R., Leonova O.N., Baikov E.S., Kokorev A.I., Darchia L.Yu., Balychev G.E., Ivanov D.V., Dol A.V., Bessonov L.V., Krutko A.V. Validation of the SmartPlan Balance* mobile application to measure sagittal parameters of the spine. Russian Journal of Spine Surgery (Khirurgiya Pozvonochnika). 2025;22(2):96-103. (In Russ.) https://doi.org/10.14531/ss2025.2.96-103