A randomized trial of autologous chondrocyte implantation versus alternative forms of surgical cartilage management in patients with a failed primary treatment for chondral or oste... by Snow, M, Middleton, L, Mehta, S, Roberts, A, Gray, R, Richardson, J, Kuiper, JH, Price, A, Smith, A, White, S, Roberts, S, Griffiths, D, Mohammed, A, Moholkar, K, Ashraf, T, Green, M, Hutchinson, J, Bhullar, T, Chitnis, S, Shaw, A, van Niekerk, L, Hui, A, Drogset, JO, Knutsen, G, McNicholas, M, Bowditch, M, Johnson, D, Turner, P, Chugh, S, Hunt, N, Ali, S, Palmer, S, Perry, A, Davidson, A, Hill, P, Deo, S, Satish, V, Radford, M, Langstaff, R, Houlihan-Burne, D, Spicer, D, Phaltankar, P, Hegab, A, Marsh, D, Cannon, S, Briggs, T, Pollock, R, Carrington, R, Skinner, J, Bentley, G