*Costs and Cost Analysis
Phillips, C. D., Hawes, C., Fries, B. E. 1993. Reducing the use of physical restraints in nursing homes: will it increase costs?. American Journal of Public Health. 83 (3) 342-8.
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.