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Validating the Hierarchical Nature of the AO Spine Upper Cervical Spine Injury Classification System.
Narayanan R, Dalton J, Bransford R, Dvorak MR, Singh Chhabra H, Joaquim AF, El-Sharkawi M, Benneker LM, Schnake K, Oner C, Dandurand C, Canseco JA, Kepler CK, Vaccaro AR, Schroeder GD; AO Spine Upper Cervical Spine Injury Classification System Validation Members. Narayanan R, et al. Spine (Phila Pa 1976). 2025 Jul 15;50(14):956-964. doi: 10.1097/BRS.0000000000005297. Epub 2025 Feb 17. Spine (Phila Pa 1976). 2025. PMID: 39960095 Free PMC article.