1. Association of ultrasound-defined structural changes with regional and diffuse knee pain patterns – Oulu Knee Osteoarthritis study 
J. Podlipská, P. Kaukinen, J. Arokoski, J.M. Koski, S. Saarakkala 
Osteoarthritis and Cartilage 
Volume 24, Pages S256-S257 (April 2016)
DOI: /j.joca
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2. Figure 1
The regional knee pain patterns in front of the knee (A) and behind the knee (B). Diffuse pain was defined as pain presence in more than 2 regions.
Osteoarthritis and Cartilage  , S256-S257DOI: ( /j.joca )
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