Abera, Bayeh, Atnaf Alem, Ambahun Cherenet, and Mulugeta Kibret. 2016. “Immunological and Hematological Reference Values for Apparently Healthy HIV-Negative Adults in Bahir Dar Town, Ethiopia”. The Ethiopian Journal of Health Development 26 (3). https://ejhd.org/index.php/ejhd/article/view/206.