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Mesenchymal progenitor cell markers in human articular cartilage: normal distribution and changes in osteoarthritis

Shawn P Grogan, Shigeru Miyaki, Hiroshi Asahara, Darryl D D'Lima and Martin K Lotz*

Arthritis Research & Therapy 2009, 11:R85  doi:10.1186/ar2719

See related editorial by Karlsson and Lindahl,

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