1. Iraq war in figures. BBC. 2011. http://www.bbc.com/news/world-middle-east-11107739. Retrieved May 4 2016. For core statistics, see Iraq: the Human Cost. MIT Center for International Studies. web.mit.edu/humancostiraq/. Retrieved May 4 2016. Also, Iraq Index. Brookings Institute. http://www.brookings.edu/about/centers/middle-east-policy/iraq-index. Retrieved May 4, 2016. Iraq Coalition Military Fatalities by Year. casualties.org icasualties.org. Retrieved May 4 2016.
2. James JT. A new, evidence-based estimate of patient harms associated with hospital care. J Patient Saf. 2013;9(3):122–8.
3. The Cost of Sequencing a Human Genome. National Human Genome Research Institute.
4. Vivek Wadhwa, 2015. Why there’s an urgent need for a moratorium on gene editing. The Washington Post.
5. Merriam-Webster, Online Medical Dictionary, 2016.