The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease
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Int. J. Tuberc. Lung Dis. · Jun 1997
Comparative StudyQuality assurance programme for drug susceptibility testing of Mycobacterium tuberculosis in the WHO/IUATLD Supranational Laboratory Network: first round of proficiency testing.
Quality assurance of the WHO/IUATLD global tuberculosis drug resistance surveillance programme. ⋯ Drug susceptibility procedures for the testing of isoniazid and rifampicin, the two anti tuberculosis drugs which define multidrug-resistant tuberculosis, are highly reliable within the SRL network. Procedures for drug susceptibility testing of streptomycin and ethambutol are still in need of standardization.