Randomised controlled trial of cognitive behaviour therapy delivered in groups of patients with chronic fatigue syndrome
Psychotherapy and Psychosomatics (2015) - Comment
pubmed: 26402868  doi: 10.1159/000438867  issn: 1423-0348  issn: 0033-3190 

Jan F. Wiborg, Jose Van Bussel, Agaat Van Dijk, Gijs Bleijenberg, Hans Knoop