The National Medical Expenditure Panel Survey: A national health information resource

Cohen, J., Monheit, A. C., Beauregard, K. M., Lefkowitz, D., Potter, D. E. B., Sommers, J., Taylor, A., & Arnett, R. (1996). The National Medical Expenditure Panel Survey: A national health information resource. Inquiry, 33(4), 373 - 389.