RT Journal A1 Carey, James L. T1 Fibrocartilage Following Microfracture Is Not as Robust as Native Articular CartilageCommentary on an article by Aaron J. Krych, MD, et al.: “Activity Levels Are Higher After Osteochondral Autograft Transfer Mosaicplasty Than After Microfracture for Articular Cartilage Defects of the Knee. A Retrospective Comparative Study” JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2012 FD June 6 VO 94 IS 11 SP e80 1 OP 2 DO 10.2106/JBJS.L.00319 UL http://dx.doi.org/10.2106/JBJS.L.00319 AB