1. American Association of Medical Colleges. Medical school graduation questionnaire: 2011 all schools summary report. Available at: https://www.aamc.org/data/gq/allschoolsreports/. Accessed July 23, 2012.
2. American Medical Association. International opportunities during residency: FREIDA Online database. Available at: http://www.ama-assn.org/ama/pub/about-ama/our-people/member-groups-sections/resident-fellow-section/rfs-resources/international-residency-opportunities.page? Accessed November 15, 2011.
3. Global health and radiology: a new paradigm for US radiology resident training;Tahvildari;J Am Coll Radiol,2012
4. World Health Organization, Regional Office for Africa. Overview: blood safety, laboratories and health technology. Available at: http://www.afro.who.int/index.php?option=com_content&view=article&id=836&Itemid=1358. Accessed July 2013.
5. World Health Organization Media Centre. Medical devices fact sheet. Available at: http://www.who.int/mediacentre/factsheets/fs346/en/index.html. Accessed July 23, 2012.