Khan Wasim S, Malik Atif
University College London Institute of Orthopaedic and Musculoskeletal Sciences, Royal National Orthopaedic Hospital, Stanmore, Middlesex, HA7 4LP, United Kingdom.
Curr Stem Cell Res Ther. 2012 Mar;7(2):92-4. doi: 10.2174/157488812799218992.