Direct test for determining sensitivity of M. tuberculosis to streptomycin.
Devaki, V.; Gangadharam, P.R.J.; Nair, N.G.K.
Indian Journal of Medical Research; 1972; 60; 354-357.
For a total of 400 sputum specimens, the sensitivity of M. tuberculosis to streptomycin was determined by direct inoculation of the sputum sediment on to drug-free and drug-containing slopes of Lowenstein-Jensen medium, and also by a standard indirect test. Agreement between the two methods in the classification of strains as sensitive or resistant was of the order of 90%. The optimal time for reading the direct test is 6 weeks.
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