RT Journal A1 Wada, Eiji A1 Matsuoka, Takashi A1 Kawai, Hideo T1 Os Odontoideum as a Consequence of a Posttraumatic Displaced Ossiculum TerminaleA Case Report JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2009 FD July 1 VO 91 IS 7 SP 1750 OP 1754 DO 10.2106/JBJS.H.01182 UL http://dx.doi.org/10.2106/JBJS.H.01182 AB