Objectives: Bone graft substitutes have been successfully used in posterolateral lumbar fusion, anterior cervical fusion and animal studies, but to date no study has been conducted to assess the safety and efficacy of beta-tricalcium phosphate in instrumented ALIF fusion. In this prospective one-year[for full text, please go to the a.m. URL] ; SeriesInformation ; Deutscher Kongress für Orthopädie und Unfallchirurgie (DKOU 2016)