1. 45 CFR 46. Code of Federal Regulations. Title 45: Public Welfare; Part 46: Protection of Human Subjects.
2. International Committee of Medical Journal Editors. Uniform requirements for manuscripts submitted to biomedical journals: ethical considerations in the conduct and reporting of research. Protection of human subjects and animals in research. Available from: http://www.icmje.org/ethical_6protection.html, archived 2007. Accessed February 5, 2010.
3. Ethical principles for medical research involving human subjects;World Medical Association Declaration of Helsinki;JAMA,2000
4. Disclosure to the reader of institutional review board approval and informed consent;Rennie;JAMA,1997
5. Informed consent and approval by institutional review boards in published reports on clinical trials;Ruiz-Canela;N Engl J Med,1999