Laessle, R. G., Beumont, P. J. V., Butow, P., Lennerts, W., O`Connor, M., Pirke, K. M., Touyz, S. W., & Waadt, S. (1991). A comparison of nutritional management with stress management in the treatment of bulimia nervosa. British Journal of Psychiatry, 159, 250-261.