1. Neate, R. (2 Oct 2011). Stem cell centre gets green light from UK government. The Guardian. http://www.guardian.co.uk/business/2011/oct/02/stem-cell-centre-government-investment . Accessed 15 June 2012.
2. Caulfield, T. (2010). Stem cell research and economic promises. The Journal of Law, Medicine & Ethics, 38, 303–313.
3. Hyun, I. (2010). The bioethics of stem cell research and therapy. The Journal of Clinical Investigation, 120(1), 71–75.
4. Blendon, R., Kim, M. K., & Benson, J. (2011). The public, political parties, and stem-cell research. The New England Journal of Medicine, 365(20), 1853–1856.
5. Tumulty, K. (29 Jan 2012). Gingrich vows to ban embryonic stem-cell research, questions in vitro practices. The Washington Post. http://www.washingtonpost.com/politics/gingrich-vows-to-ban-embryonic-stem-cell-research-questions-in-vitro-practices/2012/01/29/gIQAIO9saQ_story.html . Accessed 3 May 2012.