1. The Nuremberg Code (1947)
2. Declaration of Helsinki (1964)
3. OHRPHHSHHS2016-12-06Code of Federal Regulations - Title 45: Public Welfare and Title 46: Protection of Human Subjects http://www.hhs.gov/ohrp/regulations-and-policy/regulations/45-cfr-46/index.html
4. Interventions to Improve Research Participants' Understanding in Informed Consent for Research