Lemu, Y. K., Koricha, Z. B., Gebretsadik, L. A., & Roro, A. G. (2012). Predictors of refusal of provider initiated HIV testing among clients visiting adult outpatient departments in Jimma town, Oromia Region, Ethiopia: unmatched case control study. HIV/AIDS, 4, 103-115. doi:10.2147/HIV.S33122.