Osteochondral allograft transplantation in the knee, after prolonged fresh storage at 37°C. Determination of viability of human cartilage allografts, indications, technique, and evidence. Follow up 10 years F.J. Gómez Cimiano; C. Garcés Zarzalejo; L.R. Estellés M. de León; L. Gómez de la Lastra; C. Galindo Rubin;