APA

Kassa E., Rinke de Wit T. F., Hailu E., Girma M., Messele T., Mariam H. G., Yohannes S., Jurriaans S., Yeneneh H., Coutinho R. A. & Fontanet A. L. (19990713). Evaluation of the World Health Organization staging system for HIV infection and disease in Ethiopia: association between clinical stages and laboratory markers. : AIDS (London, England).

Chicago

Kassa E, Rinke de Wit T F, Hailu E, Girma M, Messele T, Mariam H G, Yohannes S, Jurriaans S, Yeneneh H, Coutinho R A and Fontanet A L. 19990713. Evaluation of the World Health Organization staging system for HIV infection and disease in Ethiopia: association between clinical stages and laboratory markers. : AIDS (London, England).

Harvard

Kassa E., Rinke de Wit T. F., Hailu E., Girma M., Messele T., Mariam H. G., Yohannes S., Jurriaans S., Yeneneh H., Coutinho R. A. and Fontanet A. L. (19990713). Evaluation of the World Health Organization staging system for HIV infection and disease in Ethiopia: association between clinical stages and laboratory markers. : AIDS (London, England).

MLA

Kassa E, Rinke de Wit T F, Hailu E, Girma M, Messele T, Mariam H G, Yohannes S, Jurriaans S, Yeneneh H, Coutinho R A and Fontanet A L. Evaluation of the World Health Organization staging system for HIV infection and disease in Ethiopia: association between clinical stages and laboratory markers. : AIDS (London, England). 19990713.