Ankle images digital analysis (AIDA): digital measurement of joint space width and subchondral sclerosis on standard radiographs
Marijnissen, A.C.A, Vincken, K.L., Viergever, M.A., van Roy, J.L.A.M., van Roermund, P.M., Lafeber, F.P.J.G., Bijlsma, J.W.J.
Osteoarthritis and Cartilage 9 (3), p. 264-272