1. Kurth M, Eyerer P, Ascherl R, Dittel K, Holz U. An evaluation of retrieved UHMWPE hip joint cups. J Biomat Applic. 1988;3:33–51.
2. Roe RJ, Grood ES, Shastri R, Gosselin CA, Noyes FR. Effect of radiation sterilization and aging on UHMWPE. J Biomed Mater Res. 1981;15:209–230.
3. Livermore JT. Polyethylene wear in total hip arthroplasty. Semin Arthroplasty. 1993;4:136–142.
4. Clarke IC. Role of ceramic implants. Clin Orthop. 1992; 282:19–30.
5. Bartel DL, Wright TM, Edwards D. The effect of metal backing on stresses in polyethylene acetabular components. In: The Hip: Proceedings of the 18th Open Scientific Meeting of the Hip Society. St Louis, MO: CV Mosby, Inc; 1989.