1. American Association of Retired Persons (AARP) Public Policy Institute 2008 Strategies to Increase Generic Drug Utilization and Associated Savings http://assets.aarp.org/rgcenter/health/i16_generics.pdf
2. Artiga , S. M. O'Malley 2005 Increasing Premiums and Cost Sharing in Medicaid and SCHIP: Recent State Experiences Washington, DC Kaiser Commission on Medicaid and the Uninsured http://www.kff.org/medicaid/upload/Increasing-Premiums-and-Cost-Sharingin-Medicaid-and-SCHIP-Recent-State-Experiences-Issue-Paper.pdf
3. Smoke-Free Law Associated with Higher-Than-Expected Taxable Retail Sales for Bars and Taverns in Washington State;Boles;Preventing Chronic Disease,2010
4. Effects of a Cost-Sharing Exemption on Use of Preventive Services at One Large Employer;Busch;Health Affairs,2006
5. Center for Children and Families (CCF) 2008 Cost Sharing for Children and Families in Medicaid and SCHIP Georgetown University Health Policy Institute http://www.rwjf.org/files/research/3559.cost.sharing.pdf