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Interleukin-6 is elevated in synovial fluid of patients with focal cartilage defects and stimulates cartilage matrix production in an in vitro regeneration model

Anika I Tsuchida, Michiel Beekhuizen, Marijn Rutgers, Gerjo JVM van Osch, Joris EJ Bekkers, Arjan GJ Bot, Bernd Geurts, Wouter JA Dhert, Daniel BF Saris and Laura B Creemers*

Arthritis Research & Therapy 2012, 14:R262  doi:10.1186/ar4107

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