von Schewelov, Thord, et al. “Catastrophic Failure of an Uncemented Acetabular Component Due to High Wear and OsteolysisAn Analysis of 154 Omnifit Prostheses With Mean 6-Year Follow-up”. Acta Orthopaedica, vol. 75, no. 3, Jan. 2004, pp. 283-94, doi:10.1080/00016470410001213.