Kebede Amha, Woyessa Adugna, Urga Kelbessa, Messelle Tsehaynesh, Jima Daddi
Department of Research & Technology Transfer, Ethiopian Health & Nutrition Research Institute (EHNRI), Addis Ababa, Ethiopia.
Int J Technol Assess Health Care. 2010 Apr;26(2):246-9. doi: 10.1017/S026646231000022X.