1. American Hospital Association. Fast Facts on U.S. Hospitals, 2020 [Internet]. 2020 Jan. https://www.aha.org/statistics/fast-facts-us-hospitals.
2. Internal Revenue Service, Department of the Treasury. Report to Congress on Private Tax-Exempt, Taxable, and Government-Owned Hospitals. 2015 Jan.
3. The Value Of The Nonprofit Hospital Tax Exemption Was $24.6 Billion In 2011;S Rosenbaum;Health Affairs,2015
4. Internal Revenue Service, Department of the Treasury. Report to Congress on Private, Tax-Exempt, Taxable, and Government-Owned Hospitals. 2018 May.
5. Chuck Grassley. Grassley Renews Probe of Non-Profit, Tax-Exempt Hospitals [Internet]. 2019. https://www.grassley.senate.gov/news/news-releases/grassley-renews-probe-non-profit-tax-exempt-hospitals.