1. World Medical Association. WMA Declaration of Helsinki: ethical principles for medical research involving human subjects. Adopted by the 18th WMA General Assembly, Helsinki, Finland, June 1964, and last amended by the 64th WMA General Assembly, Fortaleza, Brazil, Oct 2013. https://www.wma.net/policies-post/wma-declaration-of-helsinki-ethical-principles-for-medical-research-involving-human-subjects/.
2. Rawls J. A theory of justice. 1971; Belknap Press.
3. The National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research. The Belmont Report: ethical principles and guidelines for the protection of human subjects of research. 18 Apr 1979. https://www.hhs.gov/ohrp/regulations-and-policy/belmont-report/read-the-belmont-report/index.html.
4. Beauchamp TL, Childress JF. Principles of biomedical ethics. Oxford University Press; 1979.
5. United Nations. The universal declaration of human rights. 10 Dec 1948. https://www.un.org/en/about-us/universal-declaration-of-human-rights.