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.

Williams B.C, Fries B.E, Mehr D.R.  1993.  Length of stay in VA nursing homes. Comparative characteristics of brief-, medium-, and long-stay residents. Journal of Aging & Health. 5(2):208-28.

Williams B.C, Fries B.E, Mehr D.R.  1996.  Patterns and determinants of health services use and mortality after VA nursing home care. Journal of Aging & Health. 8(2):280-301.

Williams B.C, Li Y., Fries B.E, Warren R.L.  1997.  Predicting patient scores between the functional independence measure and the minimum data set: development and performance of a FIM-MDS "crosswalk".[erratum appears in Arch Phys Med Rehabil 1998 Feb;79(2):231]. Archives of Physical Medicine & Rehabilitation. 78(1):48-54.

Williams B.C, Li Y., Fries B.E, Warren R.L.  1997.  Predicting patient scores between the functional independence measure and the minimum data set: development and performance of a FIM-MDS "crosswalk". Arch Phys Med Rehabil. 78(1):48-54.