Reliability, validity and responsiveness of the Portuguese version of the Knee injury and Osteoarthritis Outcome Score – Physical Function Short-form (KOOS-PS)
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PII: S1063-4584(09)00289-1
doi:10.1016/j.joca.2009.10.012
© 2009 Osteoarthritis Research Society International. Published by Elsevier Inc. All rights reserved.
