title: Alar and Transverse Ligament Calcification and Crown Dens.
authors.affiliation: Department of Medicine, Northeast Ohio Medical University, Rootstown Township, Ohio; and Department of Vertebrate Paleontology, Carnegie Museum of Natural History, Pittsburgh, Pennsylvania, USA. spondylair@gmail.com.
authors.forename: Bruce
authors.initials: B
authors.lastname: Rothschild
mesh_terms: D001268:Atlanto-Axial Joint; D006801:Humans; D008023:Ligaments, Articular