| Sridhar Vijayan Autologous chondrocyte implantation for osteochondral lesions in the knee using a bilayer collagen membrane and bone graft: a two- to eight-year follow-up studyS Vijayan Royal National Orthopaedic Hospital, Joint Reconstruction Unit, Brockley Hill, Stanmore, Middlesex HA7 4LP, UK J Bone Joint Surg Br 94:488-92. 2012 Combined autologous chondrocyte implantation (ACI) with supra-condylar femoral varus osteotomy, following lateral growth-plate damage in an adolescent knee: 8-year follow-upSridhar Vijayan Joint Reconstruction and Cartilage Transplantation Unit, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, HA7 4LP, UK Sports Med Arthrosc Rehabil Ther Technol 3:5. 2011
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