Cementless fixation in Oxford Unicompartmental Knee Replacement: A multicentre study of 1000 knees by Liddle, A, Pit, H, O'Brien, S, Doran, E, Penny, I, Hooper, G, Burn, P, Dodd, C, Beverl, D, Maxwell, A, Murray, D, Pit, H, Jenkins, C, Barker, K, Dodd, C, Murray, D