013 Reamer Irrigator Aspirator versus Autogenous Iliac Crest Bone Graft for the Treatment of Nonunions: A Multi-Center Randomized Controlled Trial

025 Comparison of Opioid-Free versus Traditional Opioid-Containing Postoperative Pain Management Pathways for Idiopathic Scoliosis

076 Risk Factors Associated with Increased Metal Sensitivity: A Retrospective Analysis of Over 25,000 Total Knee Arthroplasty Patients

215 Cerebral Activation Related to Shoulder Apprehension in Patients with Glenohumeral Instability; A Ten Years Follow Up

254 Association of Angiotensive-Converting Enzyme (ACE) Inhibitors and Angiotensin Receptor Blockers with Postoperative Stiffness after Arthroscopic Rotator Cuff Repair: A Retrospective Cohort Study