1. World Medical Association. WMA Declaration of Geneva. https://www.wma.net/policies-post/wma-declaration-of-geneva/
2. World Medical Association. WMA International Code of Medical Ethics. https://www.wma.net/policies-post/wma-international-code-of-medical-ethics/
3. World Medical Association. WMA Declaration of Helsinki—ethical principles for medical research involving human subjects. https://www.wma.net/policies-post/wma-declaration-of-helsinki-ethical-principles-for-medical-research-involving-human-subjects/
4. The revised International Code of Medical Ethics: an exercise in international professional ethical self-regulation
5. Beauchamp T Childress J . Principles of biomedical ethics. 8th ed. Oxford University Press, 2019.