Early knee OA appears to be a stable condition, with a low proportion of knees showing worsening structural damage or symptom progression over time.

The radiographs were classified by an orthopedic knee surgeon using the Kellgren-Lawrence system (Fig. 1), which is an ordinal scale graded from 0 (absence of radiographic features of osteoarthritis) ...

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These people were coming toward Pine Ridge agency, and when they were almost on the agency they were met by the soldiers and surrounded and finally taken to the Wounded Knee creek, and there at a ...

Correspondence to Professor Xu Cao, Department of Orthopaedic Surgery, Institute for Cell Engineering, Johns Hopkins University, Baltimore, MD 21205, USA; xcao11{at}jhmi.edu and Bin Yu; yubinol{at}163 ...