Comments on: "Are modern knee outcomes scores appropriate for evaluating patellofemoral degeneration in osteoarthritis? Evaluation of the ceiling and floor effects in knee outcomes scores" of J. Bourlez, F. Canovas, C. Duflos, L. Dagneaux published in Orthop Traumatol Surg Res. 2019, 105(4):599-603

Abstract

Letter to the editör