1. [1] Divisions of HIV/AIDS Prevention (2003). HIV and Its Transmission. Centers for Disease Control & Prevention. Archived from the original on February 4, 2005. Retrieved 2006-05-23.
2. [2] San Francisco AIDS Foundation (2006-04-14). How HIV is spread. Retrieved 2006-05-23.
3. [3] AIDS Control and Prevention (AIDSCAP) Project of Family Health Internal, the Francois-Xavier Bagnoud Center for Public Health and Human Rights of the Harvard School of Public Health, UNAIDS. The Status and Trends of the Global HIV/AIDS Pandemic. Final Report July 5-6, 1996.
4. [4] Raviglione MC, Narain JP, Kochi A. HIV-associated tuberculosis in developing countries: clinical features, diagnosis and treatment. Bull WHO 1992;70(4):515-26.
5. [5] Pandey P, Pant ND, Rijal KR, et al. Diagnostic accuracy of GeneXpert MTB/RIF assay in comparison to conventional drug susceptibility testing method for the diagnosis of multidrug-resistant tuberculosis. PLoS One 2017;12(1):e0169798.