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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: Health Aff (Millwood). 2010 Jul;29(7):1383–1390. doi: 10.1377/hlthaff.2009.0424

Exhibit 4.

Exhibit 4

Relationships Between Legislation Requiring Patient Consent For Generic Substitution And Generic Fill Rates For Simvastatin. 2006 And 2007

SOURCE Centers for Medicare and Medicaid Services, aggregate Medicaid prescription medication use data. NOTE Yes/no indicates whether or not patient consent is required for generic substitution.