title: The cervical vertebra spreader. Evolution of a surgical instrument.
mesh_terms: D016025:Bone Transplantation; D002574:Cervical Vertebrae / Q000293:injuries / Q000601:surgery*; D006801:Humans; D008722:Methods; D012421:Rupture / Q000601:surgery; D013123:Spinal Fusion; D013525:Surgical Instruments