Ortega, R. M., Redondo, M. R., Lopez-Sobaler, A. M., Quintas, M. E., Zamora, M. J., Andres, P., & Encinas-Sotillos, A. (1996). Associations between obesity, breakfast-time food habits and intake of energy and nutrients in a group of elderly Madrid residents. Journal of the American College of Nutrition, 15(1), 65-72.