Makombe, R. R., Easterbrook, P. J., Lowe, O., Ferguson, A. D., Neill, P., Ndudzo, A., van der Have, J. J., & Mbengeranwa, O. L. (2008). Epidemiological features of drug resistant tuberculosis in Harare, 1994-1996. Central African Journal of Medicine, 45(11). https://doi.org/10.4314/cajm.v45i11.8500