1. Minimum 5-year analysis of L5-S1 fusion using sacropelvic fixation (bilateral S1 and iliac screws) for spinal deformity;Tsuchiya;Spine,2006
2. RA Lehman, TR Kuklo, PJ Belmont, RC Andersen, DW Polly, 2002 undefined. Advantage of pedicle screw fixation directed into the apex of the sacral promontory over bicortical fixation: a biomechanical analysis. journals.lww.com. Accessed January 11, 2022. Available at: https://journals.lww.com/spinejournal/Fulltext/2002/04150/Advantage_of_Pedicle_Screw_Fixation_Directed_Into.6.aspx.
3. Anatomic consideration for sacral screw placement;Mirkovic;Spine,1991
4. A stronger bicortical sacral pedicle screw fixation through the S1 endplate: An in vitro cyclic loading and pull-out force evaluation;Luk;Spine,2005
5. Smith S, Abitbol J, Carlson G, Spine DA, 1993 undefined. The effects of depth of penetration, screw orientation, and bone density on sacral screw fixation. europepmc.org. Accessed January 16, 2022. Available at: https://europepmc.org/article/med/8367767.