1. Effects of Benefit Design Change across 5 Disease States;Brixner;American Journal of Managed Care,2007
2. Centers for Medicare and Medicaid Services (CMS). 2006. “Part D Sponsors Generic Dispensing Rate (GDR) Performance Metrics” [accessed on July 9, 2008]. Available at http://www.cms.hhs.gov/PrescriptionDrugCovContra/downloads/MemoGDRPerfMetric_11.09.06.pdf
3. Centers for Medicare and Medicaid Services (CMS). 2008. “National Health Expenditure Accounts, Historical” [accessed on January 24, 2008]. Available at http://www.cms.hhs.gov/NationalHealthExpendData/
4. Impact of Decreasing Copayments on Medication Adherence within a Disease Management Environment;Chernew;Health Affairs,2008