The construct validity of the illness cognition questionnaire: the robustness of the three-factor structure across patients with chronic pain and chronic fatigue
International Journal of Behavioral Medicine (2010) - Comment
pubmed: 19757084  doi: 10.1007/s12529-009-9059-z  issn: 1070-5503  issn: 1532-7558 

Emelien Lauwerier, Geert Crombez, Stefaan Van Damme, Liesbet Goubert, Dirk Vogelaers, Andrea W. M. Evers