1. Global surveillance for antituberculosis-drug resistance, 1994–1997.;A Pablos-Mendez;N Engl J Med,1998
2. The global threat of drug-resistant tuberculosis.;DE Snider Jr;N Engl J Med,1998
3. The dilemma of MDRTB in the global era.;PE Farmer;Int J Tuberc Lung Dis,1998
4. Anti-tuberculosis drug resistance in the world: the WHO/IUATLD Global Project on Antituberculosis Drug Resistance Surveillance 1994–1997,1997
5. The WHO/IUATLD Global Project on Anti-tuberculosis Drug Resistance Surveillance 2000. Anti-tuberculosis drug resistance in the world: report no. 2,2000