Kok A.C., van Bergen C.J., Tuijthof G.J.M., Klinkenbijl M.N., van Noorden C.J.F., van Dijk C.N., Kerkhoffs G.M.M.J., Macroscopic cartilage repair tissue assessment using the ICRS compared to histological assessment for talar osteochondral defects treated with microfracture, Clin Res Foot Ankle, 173 3(2): 1-7, Sept 2015