Length of Stay/ec [Economics]
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.
Fries, B. E., Durance, P. W., Nerenz, D. R., Ashcraft, M. L. 1993. A comprehensive payment model for short- and long-stay psychiatric patients. Health Care Financing Review. 15 (2) 31-50.