Diagnosis-Related Groups
Fries, B. E., Schroll, M., Hawes, C., Gilgen, R., Jonsson, P. V., Park, P. 1997. Approaching cross-national comparisons of nursing home residents. Age & Ageing. 26 (Suppl 2) 13-8.
Mehr, D. R., Fries, B. E., Williams, B. C. 1993. How different are VA nursing home residents?. Journal of the American Geriatrics Society. 41 (10) 1095-101.