TY - JOUR AU - Horas, U; Pelinkovic, D; Herr, G; Aigner, T; Schnettler, R TI - Autologous chondrocyte implantation and osteochondral cylinder transplantation in cartilage repair of the knee joint. A prospective, comparative trial JO - J Bone Joint Surg Am IS - 02 VL - 85-A PY - 2003 SP - 185 EP - 192 ER -