RT Journal Article SR Electronic T1 Response to Letter to the Editor by Soffin et al. JF International Journal of Spine Surgery JO Int J Spine Surg FD International Society for the Advancement of Spine Surgery SP 8110 DO 10.14444/8110 A1 Cha, Elliot D.K. A1 Lynch, Conor P. A1 Parrish, James M. A1 Jenkins, Nathaniel W. A1 Buvanendran, ASOKUMAR A1 SINGH, KERN YR 2021 UL https://www.ijssurgery.com/content/early/2021/10/06/8110.abstract AB