Comparative Study
Incidence of and risk factors for superior facet violation in minimally invasive versus open pedicle screw placement during transforaminal lumbar interbody fusion: a comparative analysis.
J Neurosurg Spine. 2013 Apr 1;18(4):356-61.
Randomized Controlled Trial
Accuracy of robot-assisted placement of lumbar and sacral pedicle screws: a prospective randomized comparison to conventional freehand screw implantation.
Spine. 2012 Apr 15;37(8):E496-501.
Randomized Controlled Trial
A multi-level rapid prototyping drill guide template reduces the perforation risk of pedicle screw placement in the lumbar and sacral spine.
Arch Orthop Trauma Surg. 2013 Jul 1;133(7):893-9.