Bjorkgren 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.

Brown G.P, Hirdes J.P, Fries B.E.  2015.  Measuring the Prevalence of Current, Severe Symptoms of Mental Health Problems in a Canadian Correctional Population: Implications for Delivery of Mental Health Services for Inmates. International Journal of Offender Therapy and Comparative Criminology. 59(1):27-50.

Carpenter G.I, Hastie C.L, Morris J.N, Fries B.E, Ankri J..  2006.  Measuring change in activities of daily living in nursing home residents with moderate to severe cognitive impairment. BMC geriatrics. 6:7.

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.

Fries B.E, Morris J.N, Bernabei R., Finne-Soveri H., Hirdes J..  2007.  Rethinking the Resident Assessment Protocols. J Am Geriatr Soc. 55(7):1139-40.

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.

Gray L.C, Bernabei R., Berg K., Finne-Soveri H., Fries B.E, Hirdes J.P, Jonsson P.V, Morris J.N, Steel K., Arino-Blasco S..  2008.  Standardizing assessment of elderly people in acute care: the interRAI Acute Care instrument. J Am Geriatr Soc. 56(3):536-41.

Martin L., Poss J.W, Hirdes J.P, Jones R.N, Stones M.J, Fries B.E.  2008.  Predictors of a new depression diagnosis among older adults admitted to complex continuing care: implications for the depression rating scale (DRS). Age and Ageing. 37(1):51-6.

Morris J.N, Howard E.P, Steel K., Perlman C., Fries B.E, Garms-Homolova V., Henrard J.C, Hirdes J.P, Ljunggren G., Gray L. et al..  2016.  Updating the Cognitive Performance Scale. Journal of Geriatric Psychiatry and Neurology. 29(1):47-55.

Morris J.N, Howard E.P, Steel K., Schreiber R., Fries B.E, Lipsitz L.A, Goldman B..  2014.  Predicting risk of hospital and emergency department use for home care elderly persons through a secondary analysis of cross-national data. BMC Health Serv Res. 14:519.

Poss J.W, Hirdes J.P, Fries B.E, McKillop I., Chase M..  2008.  Validation of Resource Utilization Groups version III for Home Care (RUG-III/HC): evidence from a Canadian home care jurisdiction. Medical Care. 46(4):380-7.

Riter R.N, Fries B.E.  1992.  Predictors of the placement of cognitively impaired residents on special care units.. Gerontologist. 32(2):184-90.