Egilman, A. ., Wallach, J. ., Ross, J. ., & Dhruva, S. . (2018). Medicare Spending and Potential Savings on Brand-Name Drugs With Available Generic Substitutes Excluded by 2 Large Pharmacy Benefit Managers, 2012 Through 2015. JAMA Internal Medicine. https://doi.org/10.1001/jamainternmed.2017.8016 (Original work published 2018)