RT Journal Article SR Electronic T1 Editors’ Introduction: Proximal Junctional Kyphosis After Deformity Correction Surgery JF International Journal of Spine Surgery JO Int J Spine Surg FD International Society for the Advancement of Spine Surgery SP 8517 DO 10.14444/8517 A1 Hassanzadeh, Hamid A1 Kim, Han Jo A1 Smith, Justin YR 2023 UL https://www.ijssurgery.com/content/early/2023/09/19/8517.abstract AB