1. Shih A, Davis K, Schoenbaum S, et al. Organizing the U.S. health care delivery system for high performance. www.commonwealthfund.org/Publications/Fund-Reports/2008/Aug/Organizing-the-U-S--Health-Care-Delivery-System-for-High-Performance.aspx. Accessed February 15, 2013.
2. The fragmentation of U.S. health care: causes and solutions;Elhauge,2010
3. Care patterns in Medicare and their implications for pay for performance;Pham;N Engl J Med,2007
4. Choice of and overall satisfaction with pharmacies among a community-dwelling elderly population;Xu;Med Care,2002
5. Single-pharmacy patronage and adverse drug reactions: a case study of cimetidine;McCombs;J Res Pharmaceut Econ,1993