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2. Clinical trials in the Hastings Center bioethics briefing book for journalists, policymakers, and campaigns;Grady,2008
3. The Belmont report: ethical principles and guidelines for the protection of human subjects of research,1979
4. What makes clinical research ethical?;Emanuel;JAMA,2000
5. Clinical research: the power of the nurse;Grady;Am J Nurs,2001