1. Agar, N. 2007. Embryonic potential and stem cells. Bioethics 21(4): 198–207.
2. Albany Medical College. 2013. Bioethics today. Cloning for stem cells is finally here: revisiting bioethical debates (Part I). http://www.amc.edu/BioethicsBlog/post.cfm/cloning-for-stem-cells-is-finally-here-revisiting-bioethical-debates-part-i . Accessed 21 June 2013.
3. Aronson, E. 2011. The social animal, 11th ed. New York: Worth/Freeman.
4. ASRM. 2004. Informed consent and the use of gametes and embryos for research. http://www.asrm.org/uploadedFiles/ASRM_Content/News_and_Publications/Ethics_Committee_Reports_and_Statements/informedconsent.pdf . Accessed June 2013.
5. ASRM. 2008. Donating spare embryos for stem cell research. http://www.asrm.org/uploadedFiles/ASRM_Content/News_and_Publications/Ethics_Committee_Reports_and_Statements/donatingspare.pdf . Accessed June 2013.