Paniak, C., Reynolds, S., Toller-Lobe, G., Melnyk, A., Nagy, J., & Schmidt, D. (2002). A longitudinal study of the relationship between financial compensation and symptoms after treated mild traumatic brain injury. Journal of Clinical and Experimental Neuropsychology, 24(2), 187–193. http://www.swets.nl/sps/journals/jcen.html