title: Letter to the Editor: Atlantoaxial instability.
authors.affiliation: Athens Medical Center, Athens, Greece.
authors.forename: John
authors.initials: J
authors.lastname: Vassilouthis
mesh_terms: D001268:Atlanto-Axial Joint; D006801:Humans; D007593:Joint Instability; D025242:Spondylarthropathies