Victimization in chronic fatigue syndrome and fibromyalgia in tertiary care: a controlled study on prevalence and characteristics - Van Houdenhove, B; Neerinckx, E; Lysens, R; Vertommen, H; Van Houdenhove, L; Onghena, P; Westhovens, R; D’Hooghe, MB (Psychosomatics, 2001)