![](http://www.alamy.com/thumbs/6/237713F7-D28F-43EB-B1CF-94E0711AF91F/2FM8A9E.jpg)
X-ray of the two bended knees: healthy and sick
Size: 3951px × 2788px
Photo credit: © Boris Fedorenko / Alamy / Afripics
License: Royalty Free
Model Released: No
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