Spine Fractures of Patients with Ankylosing Spondylitis and Diffuse Idiopathic Skeletal Hyperostosis: Fracture Severity and Injury-Related Mortality at a Level I Trauma Center oleh Stephen Ryan Chen, Maria Amelia Munsch, Joseph Chen, Brandon Keith Couch, Richard Alan Wawrose, Anthony Abimbade Oyekan, Joshua Adjei, William F. Donaldson, Joon Yung Lee, Jeremy DeWitt Shaw