Response to letter by Kersten regarding publication by McEntire et al

Ralph J. Mobbs
2021 Journal of Spine Surgery  
Response to: Kersten RFMR, Öner FC, Arts MP, et al. Letter to the editor regarding "Two-year results of a double-blind multicenter randomized controlled non-inferiority trial of polyetheretherketone (PEEK) versus silicon nitride spinal fusion cages in patients with symptomatic degenerative lumbar disc disorders". J Spine Surg 2021;7:249-51.
doi:10.21037/jss-2021-1 fatcat:yrxvsq3kinhhvk3v5464jt3r3u