Kiely D.K, Simon S.E, Jones R.N, Morris J.N.  2000.  The protective effect of social engagement on mortality in long-term care. Journal of the American Geriatrics Society. 48(11):1367-72.

Fries B.E, Shugarman L.R, Morris J.N, Simon S.E, James M..  2002.  A screening system for Michigan's home- and community-based long-term care programs. Gerontologist. 42(4):462-74.

Marcantonio E.R, Simon S.E, Bergmann M.A, Jones R.N, Murphy K.M, Morris J.N.  2003.  Delirium symptoms in post-acute care: prevalent, persistent, and associated with poor functional recovery. Journal of the American Geriatrics Society. 51(1):4-9.