1. Grange J, Zumla A: The global emergency of tuberculosis: what is the cause?. J R Soc Promot Health. 2002, 122: 78-81. 10.1177/146642400212200206.
2. WHO: Global Tuberculosis Report. 2012, Geneva: World Health Organization
3. WHO: Seventh meeting of the Strategic and Technical Advisory Group for Tuberculosis (STAG-TB): report on conclusions and recommendations. 2007, Geneva: World Health Organization
4. WHO: World Health Report 2007- Global tuberculosis control- surveillance, planning, financing. 2007, Geneva: World Health Organization
5. Muvunyi CM, Masaisa F, Bayingana C, Musemakweri A, Mutesa L, Hernandez TC: Prevalence and diagnostic aspects of sputum smear positive tuberculosis cases at a tertiary care institution in Rwanda. Afr J Micro Research. 2010, 4: 088-091.