[1]
A. de Rooij, M. R. de Boer, M. van der Leeden, L. D. Roorda, M. P. M. Steultjens, and J. Dekker, “Cognitive mechanisms of change in multidisciplinary treatment of patients with chronic widespread pain: a prospective cohort study”., JRM, vol. 46, no. 2, pp. 173–180, Dec. 2013.