*Health Resources/ut [Utilization]
Björkgren, M. A., Hakkinen, U., Finne-Soveri, U. H., Fries, B. E. 1999. Validity and reliability of Resource Utilization Groups (RUG-III) in Finnish long-term care facilities. Scandinavian Journal of Public Health. 27 (3) 228-34.
Carpenter, G. I., Ikegami, N., Ljunggren, G., Carrillo, E., Fries, B. E. 1997. RUG-III and resource allocation: comparing the relationship of direct care time with patient characteristics in five countries. Age & Ageing. 26 (Suppl 2) 61-5.
Fries, B. E., Schneider, D. P., Foley, W. J., Gavazzi, M., Burke, R., Cornelius, E. 1994. Refining a case-mix measure for nursing homes: Resource Utilization Groups (RUG-III). Medical Care. 32 (7) 668-85.
Clauser, S. B., Fries, B. E. 1992. Nursing home resident assessment and case-mix classification: cross-national perspectives. Health Care Financing Review. 13 (4) 135-55.
Cooney, L. M., Jr., Fries, B. E. 1985. Validation and use of resource utilization groups as a case-mix measure for long-term care. Medical Care. 23 (2) 123-32.
Fries, B. E., Cooney, L. M., Jr. 1985. Resource utilization groups. A patient classification system for long-term care. Medical Care. 23 (2) 110-22.