1. Relationship between cell free viremia, antigenaemia and antibody levels in HIV 1-infected Ethiopian patients;Ayekunie;AIDS,1992
2. Quantitation of human immunodeficiency virus (HIV) with respect to disease stage and zidovudine (AZT) therapy;Brat;AIDS Res. Hum. Retroviruses,1992
3. 1993 revised classification system for HIV infection and expanded surveillance case definition for AIDS among adolescents and adults;CDC;MMRW,1992
4. Plasma viremia in human immunodeficiency virus infection;Coombs;New Engl. J. Med.,1989
5. Isolation of HIV 1 from plasma of infected individuals - An analysis of experimental conditions affecting successful propagation;Dewar;J. Acq. Immune Defic. Syndrome,1992