1. Office of the United States Trade Representative. Sixth meeting of the US-UK Trade and Investment Working Group. 2019. https://ustr.gov/about-us/policy-offices/press-office/press-releases/2019/july/sixth-meeting-us-uk-trade-and
2. Conservative and Unionist Party manifesto. 2019. https://assets-global.website-files.com/5da42e2cae7ebd3f8bde353c/5dda924905da587992a064ba_Conservative%202019%20Manifesto.pdf
3. Department for International Trade. UK-US free trade agreement. https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/869592/UK_US_FTA_negotiations.pdf
4. CETA and pharmaceuticals: impact of the trade agreement between Europe and Canada on the costs of prescription drugs
5. Kapczynski A, Sampat BN, Shadlen KC. Trade agreements, patents, and drug prices: continuing the debate. Yale Law and Economics Research Paper No 572. 2017. https://ssrn.com/abstract=2933574