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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: Osteoarthritis Cartilage. 2013 Nov 28;22(2):190–196. doi: 10.1016/j.joca.2013.11.008

Figure 1.

Figure 1

* After measurement of vitamin C and E, 6 knees were determined to be no longer eligible as controls when later reading of longitudinal radiographs resulted in a revision to the baseline knee OA status.