T. Bayou, M. Woldu, G. G. Meskel, and H. Mezgebe, “Factors determinant for change of initial antiretroviral treatment regimen among patients on ART follow-up clinic of Mekelle Hospital, Mekelle, Ethiopia”, Int J Basic Clin Pharmacol, vol. 3, no. 1, pp. 44–49, Jan. 2017.