A. Yigzaw

Progress in measles mortality reduction in Ethiopia, 2002-2009.

T. Bedada, Fatoumata Nafo-Traoré, K. Mitiku, 2011, The Journal of infectious diseases.

National EPI coverage survey report in Ethiopia, 2006

N. Mbakuliyemo, A. Yigzaw, D. Benti, 2009 .

Incremental system costs of introducing combined DTwP-hepatitis B-Hib vaccine into national immunization services in Ethiopia.

D. Ayalew, U. Griffiths, V. Korczak, 2009, Vaccine.