1. Gandhi NR, Nunn P, Dheda K, Schaaf HS, Zignol M, van Soolingen D, Jensen P, Bayona J: Multidrug-resistant and extensively drug-resistant tuberculosis: a threat to global control of tuberculosis. Lancet. 2010, 375 (9728): 1830-1843.
2. World Health Organization: Global Tuberculosis Report. 2012, Geneva: WHO
3. Jacobson KR, Tierney DB, Jeon CY, Mitnick CD, Murray MB: Treatment outcomes among patients with extensively drug-resistant tuberculosis: systematic review and meta-analysis. Clin Infect Dis. 2010, 51 (1): 6-14.
4. World Health Organization: Global Plan to Stop TB 2011–2015. 2011, Geneva: WHO
5. Laserson KF, Thorpe LE, Leimane V, Weyer K, Mitnick CD, Riekstina V, Zarovska E, Rich ML, Fraser HS, Alarcon E, Cegielski JP, Grzemska M, Gupta R, Espinal M: Speaking the same language: treatment outcome definitions for multidrug-resistant tuberculosis. Int J Tuberc Lung Dis. 2005, 9 (6): 640-645.