RT Journal A1 Manner, Paul T1 Twist and TurnCommentary on an article by Robert S. Namba, MD, et al.: “Risk of Revision for Fixed Versus Mobile-Bearing Primary Total Knee Replacements” JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2012 FD November 7 VO 94 IS 21 SP e162 1 OP 2 DO 10.2106/JBJS.L.01072 UL http://dx.doi.org/10.2106/JBJS.L.01072 AB