@article{ref1,
title="Reliability, validity and responsiveness of the Portuguese version of the Knee injury and Osteoarthritis Outcome Score - Physical Function Short-form (KOOS-PS)",
journal="Osteoarthritis and cartilage",
year="2010",
author="Gonçalves, R. S. and Cabri, J. and Pinheiro, J. P. and Ferreira, P. L. and Gil, J.",
volume="18",
number="3",
pages="372-376",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1063-4584",
doi="10.1016/j.joca.2009.10.012",
url="http://dx.doi.org/10.1016/j.joca.2009.10.012"
}