Brittberg, Mats, Andreas H Gomoll, José A Canseco, Jack Far, Martin Lind, and James Hui. 2016. “Cartilage Repair in the Degenerative Ageing Knee”. Acta Orthopaedica 87 (sup363):26-38. https://doi.org/10.1080/17453674.2016.1265877.