1. World Health Organization20182019-10-31Current health expenditure (CHE) as percentage of gross domestic product (GDP) http://apps.who.int/gho/data/node.main.GHEDCHEGDPSHA2011
2. Committee for a Responsible Federal Budget2019-08-25American Health Care: Health Spending and the Federal Budget https://www.crfb.org/papers/american-health-care-health-spending-and-federal-budget
3. Commonwealth Fund2019-08-25Health Care Spending in the United States and Other High-Income Countries https://www.commonwealthfund.org/publications/journal-article/2018/mar/health-care-spending-united-states-and-other-high-income
4. The US Department of Health and Human Services2019-07-27About the Affordable Care Act https://www.hhs.gov/healthcare/about-the-aca/index.html
5. How will Brexit affect health and health services in the UK? Evaluating three possible scenarios