For citations:

Levchenko O.V., Mikhailiukov V.M., Davydov D.V. Frameless navigation system for surgical treatment of posttraumatic defects and cranioorbital deformations. Russian journal of neurosurgery. 2013;(3):9-14. (In Russ.) https://doi.org/10.17650/1683-3295-2013-0-3-9-14