Correlation of rpoB mutations with minimal inhibitory concentration of Rifampin and Rifabutin in Mycobacterium tuberculosis in an HIV/AIDS endemic setting, South Africa oleh Ivy - Rukasha, Halima Mohammed Said, Halima Mohammed Said, Shaheed Vally Omar, Hendrik - Koornhoof, Andries W Dreyer, Alfred - Musekiwa, Harry Moultrie, Anwar A Hoosen, Gilla Kaplan, Dorothy Fallows, Nazir Ismail