1. World health organization(WHO) Regional Office for Africa: WHO Country Cooperation Strategy 2008–2011. 2009, Ethiopia: WHO
2. Ethiopia Federal Ministry of Health (FMOHE): Health and Health Related Indicators,Health Planning and programming department, 2009/10(2002 EFY). 2010, Addis Ababa, Ethiopia: Federal Ministry of Health
3. Razzak J, Kellermann AL: Emergency medical care in developing countries: is it worthwhile?. Bull World Health Organ. 2002, 80 (11): 900-905.
4. World Health Organization, WHO: World Health Report. 2003, Geneva: Bulletin of World Health Organization, 19-21.
5. Sakr M, Wardrope J: Casualty, accident and emergency, or emergency medicine, the evolution. J Accid Emerg Med. 2000, 17: 314-319. 10.1136/emj.17.5.314.