TY - JOUR AU - Grobbelaar, CJ AU - du Plessis, TA AU - Marais, F DO - doi:10.1302/0301-620X.60B3.681412 UR - https://doi.org/10.1302/0301-620X.60B3.681412 TI - The radiation improvement of polyethylene prostheses. A preliminary study T2 - The Journal of Bone & Joint Surgery British Volume VL - 60-B IS - 3 PY - 1978 SP - 370 EP - 374 ER -