Rizkalla, James M Classifications in Brief: The Denis Classification of Sacral Fractures. [electronic resource] - Clinical orthopaedics and related research Sep 2019 - 2178-2181 p. digital Publication Type: Journal Article ISSN: 1528-1132 Standard No.: 10.1097/CORR.0000000000000861 doi Subjects--Topical Terms: HumansSacrum--diagnostic imagingSpinal Fractures--classificationTomography, X-Ray Computed