1. Perlman D, Perlman GS. Ethics in clinical research a history of human subject protections and practical implementation of ethical standards. [Online]. [cited 2004 May].; Available from: URL: http://materiais.dbio.uevora.pt/MA/Modulo2/Artigos/SoCRA-Perlman.pdf
2. Schneider JL. Professional codes of ethics. Their role and implications for international research. Journal of Contemporary Criminal Justice 2006; 22(2): 173-92.
3. Bahmanabadi S, KalateJafarabadi T, Shabani Vorki B. Research ethics observance in PhD thesis. Culture Strategy Quarterly 2014; 25: 129- 52. [In Persian].
4. Zahed Pasha Y, Hassanjani Roshan MR, Riahi HR. Medical ethics in theses and clinical trials in Babol University of Medical Sciences, 2001. Journal of Babol University of Medical Sciences 2003; 5(3): 45-51. [In Persian].
5. Ghodousi A, Razavi SM, Ghaedifar A, Zamani Pozveh E. Observance of national ethics codes of medical research in undergraduate doctoral dissertations in the Faculty of Dentistry, Islamic Azad University, Khorasgan Branch in 2004-2009. J Isfahan Dent Sch 2012; 5(7): 737-44. [In Persian].
6. Loue S. Textbook of research ethics: theory and practice. New York, NY: Springer Science & Business Media; 2002. p. 120-3.
7. Marczyk GF, Dematteo D, Festinger D. Principles of research design and methodology. Trans. Khosravi M. Tehran, Iran: Iran Institute for Scientific Information and Documentation; 2006. p. 135-320. [In Persian].
8. Zare-Bidaki M, Rezaein M, Ali-Abasi P. A review on the ethical issues of animal research. J Rafsanjan Univ Med Sci 2012; 11(6): 575-98. [In Persian].
9. Lawrence DJ. Human subject research: reporting ethics approval and informed consent in 3 chiropractic journals. Journal of Manipulative and Physiological Therapeutics 2011; 34(9): 627-33.
10. Kjellstrom S, Fridlund B. Status and trends of research ethics in Swedish Nurses’ dissertations. Nursing Ethics 2010; 17(3): 383-92.
11. Agoritsas T, Perneger TV. Patient-reported conformity of informed consent procedures and participation in clinical research. QJM 2011; 104(2): 151-9.
12. Larijani B, Zargham M. Ethics in medical research. 2th ed. Tehran, Iran: Baraye Farda Publication; 2005. p. 73-6.
13. Rashidian A. Medical ethics in clinical trials: research management at the end of a clinical trial conducted in hospitals of Tehran University of Medical Council of Islamic Republic of Iran [Thesis]. Tehran, Iran: 1999. [In Persian].
14. Macpherson CC. Research ethics committee: getting started. West Indian Med J 2001; 50(3): 186-8.
15. Oduro AR, Aborigo RA, Amugsi D, Anto F, Anyorigiya T, Atuguba F, et al. Understanding and retention of the informed consent process among parents in rural northern Ghana. BMC Med Ethics 2008; 9: 12.
16. Ghasemzadeh N, Nikravan Fard N, Rahimi Rad MH, Faramarzi Razini F. A survey on the rate of observance of research ethics in approved proposals at Uremia University of Medical Sciences (2003 - 2008). Iranian Journal of Medical Ethics and History 2013; 6(2): 67-85. [In Persian].
17. Larijani B, Rashidian A. Medical ethics in clinical trials: An insight into the clinical trials conducted in hospitals affiliated to Tehran University of Medical Sciences. J Med Counc I.R. Iran 1999;17(1): 60-5. [In Persian].