Kleinstäuber M, Schröder A, Daehler S, Pallesen KJ, Rask CU, Sanyer M, Van den Bergh O, Weinreich Petersen M, Rosmalen JGM. Aetiological Understanding of Fibromyalgia, Irritable Bowel Syndrome, Chronic Fatigue Syndrome and Classificatory Analogues: A Systematic Umbrella Review. CPE [Internet]. 2023Sep.29 [cited 2024May19];5(3):1-25. Available from: https://cpe.psychopen.eu/index.php/cpe/article/view/11179