Exploring differential item functioning in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC)
Citation
Pollard , B , Johnston , M & Dixon , D 2012 , ' Exploring differential item functioning in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) ' BMC Musculoskeletal Disorders , vol. 13 , 265 . DOI: 10.1186/1471-2474-13-265
Rights
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.