1. United Nations Universal declaration of human rights http://www.un.org/en/documents/udhr/
2. United Nations. United Nations Economic and Social Council, U.N. Sub-Commission on Prevention of Discrimination and Protection of Minorities, Siracusa 1984 Principles on the limitation and derogation of provisions in the International Covenant on Civil and Political Rights, Annex, UN Doc E/CN, 4/1984/4 http://hei.unige.ch/~clapham/hrdoc/docs/siracusa.html
3. Conscience and conflict;Adams;The American Journal of Bioethics,2007
4. Defining conscience and acting conscientiously;Emerson;The American Journal of Bioethics,2007
5. The physician's conscience;LaFollette;The American Journal of Bioethics,2007