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Fries BE, Simon SE, Morris JN, Flodstrom C, Bookstein FL.  2001.  Pain in U.S. nursing homes: validating a pain scale for the minimum data set.. Gerontologist. 41(2):173-9.

Hawes C, Fries BE, James ML, Guihan M.  2007.  Prospects and pitfalls: use of the RAI-HC assessment by the Department of Veterans Affairs for home care clients. Gerontologist. 47(3):378-87.

Hirdes JP, Dalby DM, R. Steel K, G. Carpenter I, Bernabei R, Morris JN, Fries BE.  2006.  Predictors of influenza immunization among home care clients in Ontario. Canadian Journal of Public Health. 97(4):335-9.