Røe, Cecilie, Unni Sveen, Szilvia Geyh, Alarcos Cieza, and Erik Bautz-Holter. “Construct Dimensionality and Properties of the Categories in the ICF Core Set for Low Back Pain”. Journal of Rehabilitation Medicine 41, no. 6 (March 10, 2009): 429–437. Accessed February 12, 2025. https://medicaljournalssweden.se/jrm/article/view/18027.