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The Visual Analogue WOMAC 3.0 scale - internal validity and responsiveness of the VAS version

Paula Kersten^*^†, Peter J White^* and Alan Tennant^†

* Corresponding authors: Paula Kersten P.Kersten@soton.ac.uk - Peter J White P.J.White@soton.ac.uk
† Equal contributors

BMC Musculoskeletal Disorders 2010, 11:80 doi:10.1186/1471-2474-11-80