1. Beauchamp, T., & Childress, J. (1979). Principles of biomedical ethics (1st ed.). Oxford University Press.
2. Beauchamp, T., & Childress, J. (2019). Principles of biomedical ethics (8th ed.). Oxford University Press.
3. Behrens, I., Basit, S., Lykke, J. A., Ranthe, M. F., Wohlfahrt, J., Bundgaard, H., Melbye, M., & Boyd, H. A. (2016). Association between hypertensive disorders of pregnancy and later risk of cardiomyopathy. JAMA, 315(10), 1026–1033.
4. Centers for Medicare & Medicaid Services. (2021, December 15). National Health Expenditure Fact Sheet. https://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/NationalHealthExpendData/NHE-Fact-Sheet
5. Chalouhi, S. E., Tarutis, J., Barros, G., Starke, R. M., & Mozurkewich, E. L. (2015). Risk of postpartum hemorrhage among native American women. International Journal of Gynecology & Obstetrics, 131(3), 269–272.