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.

Howard EP, Morris JN, Steel K, Strout KA, Fries BE, Moore A, Garms-Homolova V.  2016.  Short-Term Lifestyle Strategies for Sustaining Cognitive Status. BioMed Research International. 2016:7405748.

Ikegami N, Morris JN, Fries BE.  1997.  Low-care cases in long-term care settings: variation among nations. Age & Ageing. 26(Suppl 2):67-71.