Gailey, Adam; Lakdawalla, Darius; Sood, Neeraj (January 2010), Dor, Avi (ed.), "Patents, innovation, and the welfare effects of Medicare Part D", Advances in Health Economics and Health Services Research, 22, Emerald Group Publishing Limited: 317–344, doi:10.1108/s0731-2199(2010)0000022017, ISBN978-1-84950-716-5, PMC3988702, PMID20575239
Austin, Frakt; Steven D. Pizer; Roger Feldman (May 2012). "Should Medicare Adopt the Veterans Health Administration Formulary?". Health Economics. 21 (5): 485–95. doi:10.1002/hec.1733. PMID21506191. S2CID41721060.
Gailey, Adam; Lakdawalla, Darius; Sood, Neeraj (January 2010), Dor, Avi (ed.), "Patents, innovation, and the welfare effects of Medicare Part D", Advances in Health Economics and Health Services Research, 22, Emerald Group Publishing Limited: 317–344, doi:10.1108/s0731-2199(2010)0000022017, ISBN978-1-84950-716-5, PMC3988702, PMID20575239
Austin, Frakt; Steven D. Pizer; Roger Feldman (May 2012). "Should Medicare Adopt the Veterans Health Administration Formulary?". Health Economics. 21 (5): 485–95. doi:10.1002/hec.1733. PMID21506191. S2CID41721060.
Gailey, Adam; Lakdawalla, Darius; Sood, Neeraj (January 2010), Dor, Avi (ed.), "Patents, innovation, and the welfare effects of Medicare Part D", Advances in Health Economics and Health Services Research, 22, Emerald Group Publishing Limited: 317–344, doi:10.1108/s0731-2199(2010)0000022017, ISBN978-1-84950-716-5, PMC3988702, PMID20575239
Austin, Frakt; Steven D. Pizer; Roger Feldman (May 2012). "Should Medicare Adopt the Veterans Health Administration Formulary?". Health Economics. 21 (5): 485–95. doi:10.1002/hec.1733. PMID21506191. S2CID41721060.