1. In the time since this paper was written, the 2006 spending numbers from the CMS have been released. They show that Medicaid spending did decrease as a source of funding for retail prescription drugs, from 19 percent in 2005 to 9 percent in 2006. A pie chart showing the changes from 2005 to 2006 is available elsewhere in this issue. See A. Catlin et al. “National Health Spending in 2006: A Year of Change for Prescription Drugs,” Health Affairs 27 , no. 1 ( 2008 ): 19 .
2. “Medicaid Program; Prescription Drugs; Final Rule,” Federal Register 72 , no. 136 (17 July 2007 ): 39230 .
3. D.P. Chapman , G.S. Perry, and T.W. Strine, “The Vital Link between Chronic Disease and Depressive Disorders,” Preventing Chronic Disease 2 , no. 1 ( 2005 ), http://www.cdc.gov/pcd/issues/2005/jan/04_0066.htm (accessed 6 August 2007).