Multiple Points of Pelvic Fixation: Stacked S2-Alar-Iliac Screws (S2AI) or Concurrent S2AI and Open Sacroiliac Joint Fusion with Triangular Titanium Rod Polly, David W. Jr; Holton, Kenneth J.; Soriano, Paul O.; More Polly, David W. Jr; Holton, Kenneth J.; Soriano, Paul O.; Sembrano, Jonathan N.; Martin, Christopher T.; Hendrickson, Nathan R.; Jones, Kristen E. Less JBJS Essential Surgical Techniques. 12(4):e21.00044, October-December 2022. Abstract Abstract Favorite PDF Permissions Buy Associated Video