mental health
Morris, J. N., Nonemaker, S., Murphy, K., Hawes, C., Fries, B. E., Mor, V., Phillips, C. 1997. A commitment to change: revision of HCFA's RAI.. Journal of the American Geriatrics Society. 45 (8) 1011-6.
Hirdes, J. P., Martin, N. J. 1993. The specification of levels of active intervention in a chronic care hospital. Journal of Applied Gerontology. 12 (2) 125-138.