3Emergence of Mycobacterium tuberculosis with extensive resistance to second-line drugs-worldwide, 2000-2004. MMWR Morb Mortal Wkly Rep, 2006,55:301-305.
4Gandhi NR, Moll A, Sturm AW, et al. Extensively drug-resistant tuberculosis as a cause of death in patients co-infected with tuberculosis and HIV in a rural area of South Africa. Lancet, 2006,368 : 1575-1580.
5Extensively drug-resistant tuberculosis ( XDR-TB ) : recommendations for prevention and control. Wkly Epidemiol Rec, 2006, 81:430-432.
6Centers for Disease Control and Prevention (CDC). Extensively drug-resistant tuberculosis-United States, 1993-2006. MMWR Morb Mortal Wldy Rep, 2007,56:250-253.
7Masjedi MR, Fta-nia-P, Soroech S, et al. Extensively drugresistant tuberculosis: 2 years of surveillance in Iran. Clin Infect Dis, 2006,43:841-847.
8Migliori GB, Ortmann J, Girardi E, et al. Extensively drugresistant tuberculosis, Italy and Germany. Emerg Infect Dis, 2007,13:780-782.
9Samper S, Martin C. Spread of extensively drug-resistant tuberculosis. Emerg Infect Dis, 2007,13:647-648.
10Dukes Hamilton C, Sterling TR, Blumberg HM, et al. Extensively Drug-resistant tuberculosis: Are we learning from history of repeating it? Clin Infect Dis, 2007,45:338-342.
