RT Journal A1 Hart, Robert A. T1 Commentary on an article by Ben J. Garrido, MD, et al.: “Adjacent-Level Cervical Ossification After Bryan Cervical Disc Arthroplasty Compared with Anterior Cervical Discectomy and Fusion”Cervical Disc Replacement Shows Compelling Difference in Adjacent-Level Ossification Development JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2011 FD July 6 VO 93 IS 13 SP e76 1 OP 1 DO 10.2106/JBJS.K.00562 UL http://dx.doi.org/10.2106/JBJS.K.00562 AB