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. 2009 Aug 21;339:b2844. doi: 10.1136/bmj.b2844

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This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non commercial and is otherwise in compliance with the license. See: http://creativecommons.org/licenses/by-nc/2.0/ and http://creativecommons.org/licenses/by-nc/2.0/legalcode.

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graphic file with name neot635193.f2_default.jpg — Fig 2 Associations of maximal osteophyte (OST) and joint space narrowing (JSN) grades, mutually adjusted for one another, with frequent knee pain among people with two knees discordant for frequent knee pain status. Note that y axis is logarithmically scaled