Nijs, Jo, Lorna Paul, and Karen Wallman. “Chronic Fatigue Syndrome: An Approach Combining Self-Management With Graded Exercise to Avoid Exacerbations”. Journal of Rehabilitation Medicine 40, no. 4 (April 23, 2008): 241–247. Accessed April 29, 2024. https://medicaljournalssweden.se/jrm/article/view/18129.