RT Journal A1 Grelsamer, Ronald P. T1 Custom Patellofemoral Replacement in the Presence of Trochlear Dysplasia JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2007 FD February 1 VO 89 IS 2 SP 451 OP 452 DO UL http://dx.doi.org/ AB