Journal Article
                        
                        Assefa, T., G.  Davey, N.  Dukers, D.  Wolday, A.  Worku, T.  Messele, B.  Tegbaru, W.  Dorigo, and E.J.  Sanders.  
"Overall HIV-1 prevalence in pregnant women over-estimates HIV-1 in the predominantly rural population of Afar Region." (2003) Ethiopian medical journal.