Smith, M A, Walmsley, J P, Phillips, T J, Pinchbeck, G L, Booth, T M, Greet, T R C, Richardson, D W, Ross, M W, Schramme, M C, Singer, E R, Smith, R K W, Clegg, P D, "Effect of age at presentation on outcome following arthroscopic debridement of subchondral cystic lesions of the medial femoral condyle: 85 horses (1993-2003)", EQUINE VETERINARY JOURNAL,