Tolk, J. J. (2018) “Measurement properties of the OARSI core set of performancebased measures for hip osteoarthritis: a prospective cohort study on reliability, construct validity and responsiveness in 90 hip osteoarthritis patients”, Acta Orthopaedica, 90(1), pp. 15–20. doi: 10.1080/17453674.2018.1539567.