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Horas, U.1; Pelinkovic, D.2; Herr, G.3; Aigner, T.4; Schnettler, R.1
Autologous chondrocyte implantation and osteochondral cylinder transplantation in cartilage repair of the knee joint:​ a prospective, comparative trial
J Bone Joint Surg. February 2003;​85A(2):​185-192