Performance-based tests to assess physical function in osteoarthritis of the hip or knee: comment and proposal.

@article{Dekker2013PerformancebasedTT,
  title={Performance-based tests to assess physical function in osteoarthritis of the hip or knee: comment and proposal.},
  author={J. C. E. Dekker},
  journal={Osteoarthritis and cartilage},
  year={2013},
  volume={21 10},
  pages={1623-4}
}