Evaluation of the implantation of transpedicular screws in spinal instrumentation with free-hand technique and navigation-assisted with intraoperative computed tomography: An analytical-positional study

1. González-Vargas, P.M.
2. Calero Félix, L.
3. Martín-Gallego, Á.
4. Thenier-Villa, J.L.
5. de la Lama Zaragoza, A.R.
6. Conde Alonso, C.