1. Centers for Medicare and Medicaid Services. 16 December. 2020. Historical. Accessed May 8 2021. https://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/NationalHealthExpendData/NationalHealthAccountsHistorical#:%7E:text=U.S.%20health%20care%20spending%20grew For%20additional%20information%2C%20see%20below
2. OrtalizaJ RamirezG SatheeskumarV TwitterKA. How does US life expectancy compare to other countries. Peterson‐KFF Health System Tracker.2019. Accessed March 9 2021.https://www.healthsystemtracker.org/chart-collection/u-s-life-expectancy-compare-countries/#item-start
3. KamalR RamirezG CoxC. How does health spending in the US compare to other countries. Peterson‐KFF Health System Tracker health system tracker. Peterson Center on Healthcare. 2020. Accessed March 9 2021.https://www.healthsystemtracker.org/chart-collection/health-spending-u-s-compare-countries/#item-start
4. TikkanenR AbramsMK.Commonwealth Fund. U.S. health care from a global perspective 2019: higher Spending Worse Outcomes?2020. Accessed May 8 2021.https://www.commonwealthfund.org/publications/issue-briefs/2020/jan/us-health-care-global-perspective-2019
5. Improving health outcomes in the US: let's stop relying on people swimming upstream;Downs S;NEJM Catalyst,2020