Early fusion outcome after surgical treatment of single-level and multi-level pyogenic spondylodiscitis: experience at a level 1 center for spinal surgery—a single center cohort study. - Hamed, Motaz; Brandecker, Simon; Lampmann, Tim; Asoglu, Harun; Salemdawod, Abdallah; Güresir, Erdem; Vatter, Hartmut; Banat, Mohammed (Journal of Orthopaedic Surgery & Research, 2023)