1. Universal Declaration of Human Rights (1948, art 5) and International Covenant on Civil and Political Rights ICCPR (1976, art 7).
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3. Waisel DB, Truog RD. An introduction to ethics. Anesthesiology. 1997;87:411–7.
4. Albert J, Siegler M, William W. Clinical ethics: a practical approach to ethical decisions in clinical medicine. 7th ed. McGraw Hill; 2010.
5. Post SG, editor. Encyclopedia of bioethics, vol. 5. 4th ed. New York: Simon & Schuster/Macmillan; 2014.