Angelelli J., Gifford D., Intrator O., Gozalo P., Laliberte L., Mor V..  2002.  Access to postacute nursing home care before and after the BBA (Balanced Budget Act). Health Aff (Millwood). 21(5):254-64.

Kiely D.K, Mitchell S.L, Marlow A., Murphy K.M, Morris J.N.  2001.  Racial and state differences in the designation of advance directives in nursing home residents. Journal of the American Geriatrics Society. 49(10):1346-52.