Chinvararak C, Sterry O, Chalder T. Effectiveness of Cognitive Behavioural Therapy on Sleep Outcome for Patients With Chronic Fatigue Syndrome in a Routine Clinical Service. Eur J Psychol [Internet]. 2026Aug.28 [cited 2026Aug.29];22(3):Article e16669. Available from: https://ejop.psychopen.eu/index.php/ejop/article/view/16669