Techniques and Tips for Freehand Placement of C7 Pedicle Screws With Respect to Cervicothoracic Constructs: 2-Dimensional Operative Video. Issue 6 (1st June 2020) - Clifton, William; Edwards, Steve; Louie, Christopher; Dove, Conrad; Damon, Aaron; Nottmeier, Eric; Pichelmann, Mark