1. Interaction terms in logit and probit models
2. American Nurses Association . 2000 . "Prospective Payment System for Long Term Care" [accessed on January 12, 2003]. Available athttp://www.nursingworld.org/mods/archive/mod90/ltcfull.htm.
3. Centers for Medicare and Medicaid Services . 2002 . "National Health Care Expenditures: Table 7" [accessed on July 4, 2002]. Available athttp://www.cms.hhs.gov/statistics/nhe/historical/t7.asp.
4. The effect of Medicaid reimbursement on quality of care in nursing homes