Ultrasound properties of articular cartilage in the tibio-femoral joint in knee osteoarthritis: relation to clinical assessment (International Cartilage Repair Society grade)
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* Corresponding author: Yasuaki Nakagawa ynaka@kuhp.kyoto-u.ac.jp
Arthritis Research & Therapy 2008, 10:R78 doi:10.1186/ar2452