David Williams

The Importance of the Pars Interarticularis as a Landmark for Safe Lumbar Pedicle Screw Placement: Technical Note

M. Pichelmann, W. Clifton, Aaron Damon, 2019, Cureus.

How I do it: total uncinatectomy during anterior diskectomy and fusion for cervical radiculopathy caused by uncovertebral joint hypertrophy

M. Pichelmann, W. Clifton, David Williams, 2019, Acta Neurochirurgica.

Safety and Accuracy of the Freehand Placement of C7 Pedicle Screws in Cervical and Cervicothoracic Constructs

W. Clifton, Aaron Damon, Mark A. Pichelmann, 2019, Cureus.