1. Interaction Terms in Logit and Probit Models;Ai;Economic Letter,2003
2. The Prevalence and Consequences of Unmet Need. Contrasts between Older and Younger Adults with Disability;Allen;Medical Care,1997
3. Burwell, B. , K. Sredl , and S. Eiken . 2004. “Medicaid Long Term Care Expenditures, FY 2003” [accessed March 2006]. Available at http://www.hcbs.org/search.php?glbSearchBox=burwell&glbSearchGo.x=0&glbSearchGo.y=0&glbSearchGo=go&ft
4. Center for Medicare and Medicaid Services (CMS). 2004. “Home Health Input Price Index” [accessed 2004]. Available at http://www.cms.hhs.gov/statistics/market-basket/hha.asp