Nwobegahay, J. M., P. O. Bessong, T. M. Masebe, L. G. Mavhandu, B. C. Iweriebor, and G. Selabe. “Prevalence of Antiretroviral Drug Resistance Mutations and HIV-1 Subtypes Among Newly-Diagnosed Drugnaïve Persons Visiting A Voluntary Testing and Counselling Centre in Northeastern South Africa”. Journal of Health, Population and Nutrition, vol. 29, no. 4, Aug. 2011, pp. 303-9, doi:10.3329/jhpn.v29i4.8444.