RT Journal A1 Andersson, Gunnar B.J. A1 An, Howard S. A1 OegemaJr., Theodore R. A1 Setton, Lori A. T1 Directions for Future Research JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2006 FD April 1 VO 88 IS suppl_2 SP 110 OP 114 DO 10.2106/JBJS.F.00030 UL http://dx.doi.org/10.2106/JBJS.F.00030 AB