title: Response to Letter Regarding Instant Cage Making Using PMMA.
authors.affiliation: Department of Neurosurgery, Knappschafts-Krankenhaus Bochum, Bochum, Germany.
authors.forename: Christopher
authors.initials: C
authors.lastname: Brenke
mesh_terms: D004867:Equipment Design; D006801:Humans; D019736:Prostheses and Implants; D013123:Spinal Fusion / Q000295:instrumentation*